WO2003027997A1 - Ecran et procede de fonctionnement associe - Google Patents

Ecran et procede de fonctionnement associe Download PDF

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Publication number
WO2003027997A1
WO2003027997A1 PCT/JP2002/009354 JP0209354W WO03027997A1 WO 2003027997 A1 WO2003027997 A1 WO 2003027997A1 JP 0209354 W JP0209354 W JP 0209354W WO 03027997 A1 WO03027997 A1 WO 03027997A1
Authority
WO
WIPO (PCT)
Prior art keywords
display apparatus
emitting device
light emitting
switch section
source circuit
Prior art date
Application number
PCT/JP2002/009354
Other languages
English (en)
French (fr)
Inventor
Hajime Kimura
Original Assignee
Semiconductor Energy Laboratory Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Semiconductor Energy Laboratory Co., Ltd. filed Critical Semiconductor Energy Laboratory Co., Ltd.
Priority to KR1020047004178A priority Critical patent/KR100924739B1/ko
Priority to JP2003531449A priority patent/JP4197647B2/ja
Publication of WO2003027997A1 publication Critical patent/WO2003027997A1/ja

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/399—Control of the bit-mapped memory using two or more bit-mapped memories, the operations of which are switched in time, e.g. ping-pong buffers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • G09G3/3241—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266—Details of drivers for scan electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes
    • G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006—Details of the interface to the display terminal
    • G09G5/008—Clock recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/18—Use of a frame buffer in a display terminal, inclusive of the display panel
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
PCT/JP2002/009354 2001-09-21 2002-09-12 Ecran et procede de fonctionnement associe WO2003027997A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020047004178A KR100924739B1 (ko) 2001-09-21 2002-09-12 표시장치 및 그 구동방법
JP2003531449A JP4197647B2 (ja) 2001-09-21 2002-09-12 表示装置及び半導体装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001/289983 2001-09-21
JP2001289983 2001-09-21

Publications (1)

Publication Number Publication Date
WO2003027997A1 true WO2003027997A1 (fr) 2003-04-03

Family

ID=19112391

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/009354 WO2003027997A1 (fr) 2001-09-21 2002-09-12 Ecran et procede de fonctionnement associe

Country Status (6)

Country Link
US (3) US7138967B2 (ja)
JP (11) JP4197647B2 (ja)
KR (1) KR100924739B1 (ja)
CN (3) CN107230450A (ja)
TW (1) TW569176B (ja)
WO (1) WO2003027997A1 (ja)

Cited By (37)

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WO2004086343A1 (ja) * 2003-03-26 2004-10-07 Semiconductor Energy Laboratory Co., Ltd. 素子基板及び発光装置
JP2004317576A (ja) * 2003-04-11 2004-11-11 Seiko Epson Corp 駆動回路、駆動方法、電気光学装置、及び電子機器
JP2004341312A (ja) * 2003-05-16 2004-12-02 Semiconductor Energy Lab Co Ltd 表示装置及びその駆動方法
JP2004341314A (ja) * 2003-05-16 2004-12-02 Semiconductor Energy Lab Co Ltd 表示装置及びその駆動方法
JP2004341353A (ja) * 2003-05-16 2004-12-02 Toshiba Matsushita Display Technology Co Ltd アクティブマトリクス型表示装置
JP2005017653A (ja) * 2003-06-25 2005-01-20 Nec Electronics Corp 電流源回路、並びに電流源回路を有する半導体装置
JP2005024758A (ja) * 2003-06-30 2005-01-27 Semiconductor Energy Lab Co Ltd 素子基板及び発光装置
JP2005037413A (ja) * 2003-05-16 2005-02-10 Semiconductor Energy Lab Co Ltd 発光装置及び該発光装置を用いた電子機器
JP2005062859A (ja) * 2003-07-31 2005-03-10 Semiconductor Energy Lab Co Ltd 表示装置、表示装置の駆動方法、及び表示装置に搭載される半導体集積回路
JP2005134641A (ja) * 2003-10-30 2005-05-26 Seiko Epson Corp 表示装置の駆動回路、表示装置の駆動方法、電気光学装置及び電子機器
JP2005202365A (ja) * 2003-12-02 2005-07-28 Semiconductor Energy Lab Co Ltd 表示装置及びその駆動方法、並びに素子基板
JP2005227625A (ja) * 2004-02-13 2005-08-25 Semiconductor Energy Lab Co Ltd 表示装置及び表示装置の作製方法
JP2005242341A (ja) * 2004-01-30 2005-09-08 Semiconductor Energy Lab Co Ltd 発光装置
JP2006039527A (ja) * 2004-06-25 2006-02-09 Semiconductor Energy Lab Co Ltd 半導体装置及びその駆動方法並びに電子機器
JP2006208743A (ja) * 2005-01-28 2006-08-10 Sony Corp 画素回路及び表示装置
JP2007093875A (ja) * 2005-09-28 2007-04-12 Toshiba Matsushita Display Technology Co Ltd アクティブマトリクス型表示装置
JP2007114425A (ja) * 2005-10-19 2007-05-10 Sanyo Electric Co Ltd 有機ｅｌ画素回路
US7250720B2 (en) 2003-04-25 2007-07-31 Semiconductor Energy Laboratory Co., Ltd. Display device
US7332742B2 (en) 2004-06-29 2008-02-19 Semiconductor Energy Laboratory Co., Ltd. Display device and electronic apparatus
US7453427B2 (en) 2003-05-09 2008-11-18 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method thereof
US7683860B2 (en) 2003-12-02 2010-03-23 Semiconductor Energy Laboratory Co., Ltd. Display device, driving method thereof, and element substrate
US7696952B2 (en) 2002-08-09 2010-04-13 Semiconductor Energy Laboratory Co., Ltd Display device and method of driving the same
JP2010224557A (ja) * 2003-05-16 2010-10-07 Semiconductor Energy Lab Co Ltd 発光装置及び電子機器
JP2011039540A (ja) * 2010-09-24 2011-02-24 Semiconductor Energy Lab Co Ltd 表示装置
US7928945B2 (en) 2003-05-16 2011-04-19 Semiconductor Energy Laboratory Co., Ltd. Display device and driving method thereof
US8035626B2 (en) 2002-11-29 2011-10-11 Semiconductor Energy Laboratory Co., Ltd. Current driving circuit and display device using the current driving circuit
JP2012123414A (ja) * 2005-08-12 2012-06-28 Semiconductor Energy Lab Co Ltd 表示装置
US8350785B2 (en) 2003-09-12 2013-01-08 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method of the same
US8368427B2 (en) 2004-06-25 2013-02-05 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device, driving method thereof and electronic device
JP2013088582A (ja) * 2011-10-17 2013-05-13 Panasonic Corp 表示装置及びその制御方法
JP2013101376A (ja) * 2004-04-28 2013-05-23 Semiconductor Energy Lab Co Ltd 発光装置
JP2013104909A (ja) * 2011-11-10 2013-05-30 Panasonic Corp 表示装置及びその制御方法
US8552933B2 (en) 2003-06-30 2013-10-08 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and driving method of the same
US8836616B2 (en) 2003-02-28 2014-09-16 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method thereof
JP2015018258A (ja) * 2002-05-17 2015-01-29 株式会社半導体エネルギー研究所 表示装置
JP2018151656A (ja) * 2004-05-21 2018-09-27 株式会社半導体エネルギー研究所 表示装置
JP2023080082A (ja) * 2003-06-16 2023-06-08 株式会社半導体エネルギー研究所 発光装置

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JP3989763B2 (ja) * 2002-04-15 2007-10-10 株式会社半導体エネルギー研究所 半導体表示装置
US7242021B2 (en) * 2002-04-23 2007-07-10 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and display element using semiconductor device
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JP4566523B2 (ja) * 2002-05-17 2010-10-20 株式会社半導体エネルギー研究所 表示装置
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JP4307830B2 (ja) * 2002-12-25 2009-08-05 株式会社半導体エネルギー研究所 画像表示装置
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