KR100700318B1 - El 디스플레이 디바이스, 디지털 카메라, 자동차네비게이션 시스템, 개인용 컴퓨터 및 이동 전화 - Google Patents
El 디스플레이 디바이스, 디지털 카메라, 자동차네비게이션 시스템, 개인용 컴퓨터 및 이동 전화 Download PDFInfo
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- KR100700318B1 KR100700318B1 KR1020050036427A KR20050036427A KR100700318B1 KR 100700318 B1 KR100700318 B1 KR 100700318B1 KR 1020050036427 A KR1020050036427 A KR 1020050036427A KR 20050036427 A KR20050036427 A KR 20050036427A KR 100700318 B1 KR100700318 B1 KR 100700318B1
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- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- 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
- G09G2300/0404—Matrix technologies
- G09G2300/0417—Special arrangements specific to the use of low carrier mobility technology
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0254—Control of polarity reversal in general, other than for liquid crystal displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0254—Control of polarity reversal in general, other than for liquid crystal displays
- G09G2310/0256—Control of polarity reversal in general, other than for liquid crystal displays with the purpose of reversing the voltage across a light emitting or modulating element within a pixel
-
- 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
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
-
- 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
- G09G2320/0266—Reduction of sub-frame artefacts
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- Microelectronics & Electronic Packaging (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (13)
- EL 디스플레이 디바이스에 있어서,기판상의 복수의 화소들과,제1 전극 및 제2 전극을 포함하는 복수의 EL 소자들과,상기 복수의 EL 소자들의 발광을 제어하기 위한 복수의 EL 구동 TFT들과;상기 복수의 EL 구동 TFT들의 구동을 제어하기 위한 복수의 스위칭 TFT들 및1 프레임 기간을 복수의 서브 프레임 기간으로 분할하기 위한 상기 기판 상의 복수의 TFT를 포함하는 시분할 그레이 스케일 데이터 신호 발생 회로를 포함하며,상기 EL 디스플레이 디바이스는 1 프레임 기간에 상기 복수의 EL 소자들이 발광하는 시간 기간을 제어함으로써 그레이 스케일 디스플레이를 제공하며,상기 제1 전극과 상기 제2 전극 사이의 EL 구동 전압의 극성이 각 1 프레임 기간마다 반전되고,상기 복수의 스위칭 TFT들은 다중 게이트 구조를 갖는, EL 디스플레이 디바이스.
- EL 디스플레이 디바이스에 있어서,기판 상의 복수의 화소들과,제1 전극 및 제2 전극을 포함하는 복수의 EL 소자들과,상기 복수의 EL 소자들의 발광을 제어하기 위한 복수의 EL 구동 TFT들과;상기 복수의 EL 구동 TFT들의 구동을 제어하기 위한 복수의 스위칭 TFT들 및1 프레임 기간을 복수의 서브 프레임 기간으로 분할하기 위한 상기 기판 상의 복수의 TFT를 포함하는 시분할 그레이 스케일 데이터 신호 발생 회로를 포함하며,상기 EL 디스플레이 디바이스는 1 프레임 기간에 상기 복수의 EL 소자들이 발광하는 시간 기간을 제어함으로써 그레이 스케일 디스플레이를 제공하며,상기 제1 전극과 상기 제2 전극 사이의 EL 구동 전압의 극성이 각 1 프레임 기간마다 반전되고,상기 복수의 스위칭 TFT들은 다중 게이트 구조를 갖고,상기 복수의 EL 구동 TFT들은 다중 게이트 구조를 갖는, EL 디스플레이 디바이스.
- EL 디스플레이 디바이스에 있어서,기판 상의 복수의 화소들과,제1 전극 및 제2 전극을 포함하는 복수의 EL 소자들과,상기 복수의 EL 소자들의 발광을 제어하기 위한 복수의 EL 구동 TFT들과;상기 복수의 EL 구동 TFT들의 구동을 제어하기 위한 복수의 스위칭 TFT들 및1 프레임 기간을 복수의 서브 프레임 기간으로 분할하기 위한 상기 기판 상의 복수의 TFT를 포함하는 시분할 그레이 스케일 데이터 신호 발생 회로를 포함하며,상기 EL 디스플레이 디바이스는 1 프레임 기간에 포함되는 상기 복수의 서브 프레임(sub-frame) 기간 중에 상기 복수의 EL 소자들이 발광하는 서브 프레임 기간의 길이의 합을 제어함으로써 그레이 스케일 디스플레이를 제공하며,상기 제1 전극과 상기 제2 전극 사이의 EL 구동 전압의 극성이 각 1 서브 프레임 기간마다 반전되며,상기 복수의 스위칭 TFT들은 다중 게이트 구조를 갖는, EL 디스플레이 디바이스.
- EL 디스플레이 디바이스에 있어서,기판상의 복수의 화소들과,제1 전극 및 제2 전극을 포함하는 복수의 EL 소자들과,상기 복수의 EL 소자들의 발광을 제어하기 위한 복수의 EL 구동 TFT들과;상기 복수의 EL 구동 TFT들의 구동을 제어하기 위한 복수의 스위칭 TFT들 및1 프레임 기간을 복수의 서브 프레임 기간으로 분할하기 위한 상기 기판 상의 복수의 TFT를 포함하는 시분할 그레이 스케일 데이터 신호 발생 회로를 포함하며,상기 EL 디스플레이 디바이스는 1 프레임 기간에 포함되는 상기 복수의 서브 프레임(sub-frame) 기간 중에 상기 복수의 EL 소자들이 발광하는 서브 프레임 기간의 길이의 합을 제어함으로써 그레이 스케일 디스플레이를 제공하며,상기 제1 전극과 상기 제2 전극 사이의 EL 구동 전압의 극성이 각 1 서브 프레임 기간마다 반전되며,상기 복수의 스위칭 TFT들은 다중 게이트 구조를 갖고,상기 복수의 EL 구동 TFT들은 다중 게이트 구조를 갖는, EL 디스플레이 디바이스.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 1 프레임 기간은 1/120초 이하인, EL 디스플레이 디바이스.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 EL 소자는 주입형인, EL 디스플레이 디바이스.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 EL 구동 전압은 상기 제1 전극과 상기 제2 전극에 인가되는 전위 차인, EL 디스플레이 디바이스.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 EL 구동 TFT와 상기 스위칭 TFT는 n-채널 타입의 TFT 또는 p-채널 타입의 TFT를 포함하는, EL 디스플레이 디바이스.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 복수의 EL 소자의 상기 발광은 상기 스위칭 TFT에 입력되는 디지털 데이터 신호에 의해 제어되는, EL 디스플레이 디바이스.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 복수의 EL 소자들에 포함되는 EL층은 Alq3(tris-8-quinolylite-aluminum) 및 TPD(triphenylamine derivative)로 구성된 그룹으로부터 선택된 저분 자 유기 물질(low molecular organic material)을 포함하는, EL 디스플레이 디바이스.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 복수의 EL 소자들에 포함되는 EL층은 PPV(polyphenylenevynilene), PVK(polyvynil-carbazole), 및 폴리카보네이트(polycarbonate)로 구성된 그룹으로부터 선택된 폴리머(polymer) 유기 물질을 포함하는, EL 디스플레이 디바이스.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 EL 디스플레이 디바이스는 비디오 카메라, 디지털 카메라, 헤드-마운트 디스플레이(head-mount display), 자동차 네비게이션 시스템, 퍼스널 컴퓨터와 디브이디 플레이어(DVD player)로 구성된 그룹에서 선택된 적어도 하나에 포함되는, EL 디스플레이 디바이스.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 다중 게이트 구조는 직렬 결합된 상기 스위칭 TFT를 구비하는, EL 디스플레이 디바이스.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-1999-00299210 | 1999-10-21 | ||
JP29921099 | 1999-10-21 | ||
JPJP-P-1999-00336995 | 1999-11-29 | ||
JP33699599 | 1999-11-29 |
Related Parent Applications (1)
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KR1020000060965A Division KR100700300B1 (ko) | 1999-10-21 | 2000-10-17 | El 디스플레이 디바이스, 디지털 카메라, 자동차 네비게이션 시스템, 개인용 컴퓨터 및 이동 전화 |
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KR20050059013A KR20050059013A (ko) | 2005-06-17 |
KR100700318B1 true KR100700318B1 (ko) | 2007-03-29 |
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KR1020000060965A KR100700300B1 (ko) | 1999-10-21 | 2000-10-17 | El 디스플레이 디바이스, 디지털 카메라, 자동차 네비게이션 시스템, 개인용 컴퓨터 및 이동 전화 |
KR1020020018442A KR100795320B1 (ko) | 1999-10-21 | 2002-04-04 | 능동 매트릭스형 디스플레이 디바이스 |
KR1020050036427A KR100700318B1 (ko) | 1999-10-21 | 2005-04-29 | El 디스플레이 디바이스, 디지털 카메라, 자동차네비게이션 시스템, 개인용 컴퓨터 및 이동 전화 |
KR1020060102988A KR100810458B1 (ko) | 1999-10-21 | 2006-10-23 | 능동 매트릭스형 디스플레이 디바이스 |
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KR1020000060965A KR100700300B1 (ko) | 1999-10-21 | 2000-10-17 | El 디스플레이 디바이스, 디지털 카메라, 자동차 네비게이션 시스템, 개인용 컴퓨터 및 이동 전화 |
KR1020020018442A KR100795320B1 (ko) | 1999-10-21 | 2002-04-04 | 능동 매트릭스형 디스플레이 디바이스 |
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US (4) | US6872973B1 (ko) |
EP (1) | EP1094436B1 (ko) |
JP (8) | JP4727030B2 (ko) |
KR (4) | KR100700300B1 (ko) |
CN (2) | CN100423059C (ko) |
TW (2) | TW535454B (ko) |
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