KR100890497B1 - 화상 표시 장치 - Google Patents
화상 표시 장치 Download PDFInfo
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- KR100890497B1 KR100890497B1 KR1020020048807A KR20020048807A KR100890497B1 KR 100890497 B1 KR100890497 B1 KR 100890497B1 KR 1020020048807 A KR1020020048807 A KR 1020020048807A KR 20020048807 A KR20020048807 A KR 20020048807A KR 100890497 B1 KR100890497 B1 KR 100890497B1
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- 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
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- 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
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- 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
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- 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
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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- 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
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (15)
- 화상 표시 영역에 분산 배치되어 주사 신호를 전송하는 복수의 주사 배선과,상기 화상 표시 영역에 상기 복수의 주사 배선과 교차 배치되어 신호 전압을 전송하는 복수의 신호 배선과,상기 각 주사 배선과 상기 각 신호 배선으로 둘러싸인 화소 영역에 각각 배치되어 공통 전원에 접속된 복수의 전류 구동형 전기 광학 표시 소자와,상기 각 전기 광학 표시 소자와 직렬 접속되어 상기 공통 전원에 접속되고 바이어스 전압의 인가에 의해 상기 각 전기 광학 표시 소자를 표시 구동하는 복수의 구동 소자와,상기 주사 신호에 응답하여 상기 신호 전압을 유지하고, 상기 유지한 신호 전압에 기초하여 상기 각 구동 소자의 구동을 제어하는 복수의 메모리 제어 회로를 포함하고,상기 각 메모리 제어 회로는, 상기 주사 신호에 의해 도통하여 상기 신호 전압을 샘플링하는 주 샘플링 스위치 소자와, 상기 주 샘플링 스위치 소자에 의해 샘플링된 신호 전압을 유지하는 샘플링 용량과, 상기 주사 신호에 의해 도통하여 상기 샘플링 용량의 한쪽 단자를 공통 전극에 접속하는 보조 샘플링 스위치 소자와, 상기 샘플링 용량의 한쪽 단자와 상기 구동 소자의 한쪽의 바이어스 전압 인가용 전극에 접속되고 상기 주사 신호의 극성 반전 시에 도통하는 주 구동 스위치 소자와, 상기 샘플링 용량의 다른 쪽 단자와 상기 구동 소자의 다른 쪽의 바이어스 전압 인가용 전극에 접속되고 상기 주사 신호의 극성 반전 시에 도통하는 보조 구동 스위치 소자로 구성되는 것을 특징으로 하는 화상 표시 장치.
- 제1항에 있어서,상기 각 구동 소자는 p형 박막 트랜지스터로 구성되고, 상기 각 주 샘플링 스위치 소자와 각 보조 샘플링 스위치 소자는 n형 박막 트랜지스터로 구성되며, 상기 각 주 구동 스위치 소자와 각 보조 구동 스위치 소자는 p형 박막 트랜지스터로 구성되는 것을 특징으로 하는 화상 표시 장치.
- 제1항에 있어서,상기 각 주사 배선과 병행 배치되어 상기 주사 신호와는 반대 극성의 반전 주사 신호를 전송하는 복수의 반전 주사 배선을 포함하고,상기 각 메모리 제어 회로는, 상기 주사 신호에 의해 도통하여 상기 신호 전압을 샘플링하는 주 샘플링 스위치 소자와, 상기 주 샘플링 스위치 소자에 의해 샘플링된 신호 전압을 유지하는 샘플링 용량과, 상기 주사 신호에 의해 도통하여 상기 샘플링 용량의 한쪽 단자를 공통 전극에 접속하는 보조 샘플링 스위치 소자와, 상기 샘플링 용량의 한쪽 단자와 상기 구동 소자의 한쪽의 바이어스 전압 인가용 전극에 접속되고 상기 반전 주사 신호에 의해 도통하는 주 구동 스위치 소자와, 상기 샘플링 용량의 다른 쪽 단자와 상기 구동 소자의 다른 쪽의 바이어스 전압 인가용 전극에 접속되고 상기 반전 주사 신호에 의해 도통하는 보조 구동 스위치 소자로 구성되는 것을 특징으로 하는 화상 표시 장치.
- 제3항에 있어서,상기 각 구동 소자는 n형 박막 트랜지스터로 구성되고, 상기 각 주 샘플링 스위치 소자와 각 보조 샘플링 스위치 소자는 n형 박막 트랜지스터로 구성되며, 상기 각 주 구동 스위치 소자와 각 보조 구동 스위치 소자는 n형 박막 트랜지스터로 구성되는 것을 특징으로 하는 화상 표시 장치.
- 화상 표시 영역에 분산 배치되어 주사 신호를 전송하는 복수의 주사 배선과,상기 화상 표시 영역에 상기 복수의 주사 배선과 교차 배치되어 신호 전압을 전송하는 복수의 신호 배선과,상기 각 주사 배선과 상기 각 신호 배선으로 둘러싸인 화소 영역에 각각 배치되어 공통 전원에 접속된 복수의 전류 구동형 전기 광학 표시 소자와,상기 각 전기 광학 표시 소자와 직렬 접속되어 상기 공통 전원에 접속되고 바이어스 전압의 인가에 의해 상기 각 전기 광학 표시 소자를 표시 구동하는 복수의 구동 소자와,상기 주사 신호에 응답하여 상기 신호 전압을 유지하고, 상기 유지한 신호 전압에 기초하여 상기 각 구동 소자의 구동을 제어하는 복수의 메모리 제어 회로를 포함하고,상기 각 주사 배선과 병행 배치되어 상기 주사 신호와는 반대 극성의 반전 주사 신호를 전송하는 복수의 반전 주사 배선을 포함하며,상기 각 메모리 제어 회로는, 상기 주사 신호에 의해 도통하여 상기 신호 전압을 샘플링하는 주 샘플링 스위치 소자와, 상기 주 샘플링 스위치 소자에 의해 샘플링된 신호 전압을 유지하는 샘플링 용량과, 상기 주사 신호에 의해 도통하여 상기 샘플링 용량의 한쪽 단자를 공통 전극에 접속하는 보조 샘플링 스위치 소자와, 상기 샘플링 용량의 한쪽 단자와 상기 구동 소자의 한쪽의 바이어스 전압 인가용 전극에 접속되고 상기 반전 주사 신호에 의해 도통하는 주 구동 스위치 소자로 구성되고, 상기 각 샘플링 용량의 다른 쪽 단자를 상기 각 구동 소자의 다른 쪽의 바이어스 전압 인가용 전극에 접속하여 이루어진 것을 특징으로 하는 화상 표시 장치.
- 제5항에 있어서,상기 각 구동 소자는 n형 박막 트랜지스터로 구성되고, 상기 각 주 샘플링 스위치 소자와 각 보조 샘플링 스위치 소자는 n형 박막 트랜지스터로 구성되며, 상기 각 주 구동 스위치 소자는 n형 박막 트랜지스터로 구성되는 것을 특징으로 하는 화상 표시 장치.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2001-00385630 | 2001-12-19 | ||
JP2001385630A JP3800404B2 (ja) | 2001-12-19 | 2001-12-19 | 画像表示装置 |
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KR20030051167A KR20030051167A (ko) | 2003-06-25 |
KR100890497B1 true KR100890497B1 (ko) | 2009-03-26 |
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US (2) | US6611107B2 (ko) |
JP (1) | JP3800404B2 (ko) |
KR (1) | KR100890497B1 (ko) |
CN (1) | CN1213393C (ko) |
TW (1) | TW565814B (ko) |
Families Citing this family (176)
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US7569849B2 (en) * | 2001-02-16 | 2009-08-04 | Ignis Innovation Inc. | Pixel driver circuit and pixel circuit having the pixel driver circuit |
JP2003150115A (ja) * | 2001-08-29 | 2003-05-23 | Seiko Epson Corp | 電流生成回路、半導体集積回路、電気光学装置および電子機器 |
JP4498669B2 (ja) * | 2001-10-30 | 2010-07-07 | 株式会社半導体エネルギー研究所 | 半導体装置、表示装置、及びそれらを具備する電子機器 |
JP3800404B2 (ja) * | 2001-12-19 | 2006-07-26 | 株式会社日立製作所 | 画像表示装置 |
SG110023A1 (en) * | 2002-03-01 | 2005-04-28 | Semiconductor Energy Lab | Display device, light emitting device, and electronic eqipment |
JP2003302936A (ja) * | 2002-03-29 | 2003-10-24 | Internatl Business Mach Corp <Ibm> | ディスプレイ装置、oledパネル、薄膜トランジスタの制御装置、薄膜トランジスタの制御方法およびoledディスプレイの制御方法 |
US6958651B2 (en) | 2002-12-03 | 2005-10-25 | Semiconductor Energy Laboratory Co., Ltd. | Analog circuit and display device using the same |
JP2004191627A (ja) * | 2002-12-11 | 2004-07-08 | Hitachi Ltd | 有機発光表示装置 |
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Also Published As
Publication number | Publication date |
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CN1213393C (zh) | 2005-08-03 |
JP2003186438A (ja) | 2003-07-04 |
JP3800404B2 (ja) | 2006-07-26 |
US20030111966A1 (en) | 2003-06-19 |
KR20030051167A (ko) | 2003-06-25 |
TW565814B (en) | 2003-12-11 |
US20040021620A1 (en) | 2004-02-05 |
CN1427388A (zh) | 2003-07-02 |
US7205965B2 (en) | 2007-04-17 |
US6611107B2 (en) | 2003-08-26 |
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