KR20080010373A - 반도체 디바이스 - Google Patents
반도체 디바이스 Download PDFInfo
- Publication number
- KR20080010373A KR20080010373A KR1020070130793A KR20070130793A KR20080010373A KR 20080010373 A KR20080010373 A KR 20080010373A KR 1020070130793 A KR1020070130793 A KR 1020070130793A KR 20070130793 A KR20070130793 A KR 20070130793A KR 20080010373 A KR20080010373 A KR 20080010373A
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- South Korea
- Prior art keywords
- transistor
- electrode
- electrically connected
- current
- tft
- Prior art date
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- 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
- 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
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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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
- G09G2320/0252—Improving the response speed
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (14)
- 반도체 디바이스로서:제 1 트랜지스터;제 2 트랜지스터; 및상기 제 2 트랜지스터의 제 1 및 제 2 전극 중 하나에 전기적으로 접속된 EL소자를 포함하고,상기 제 1 트랜지스터의 제 1 및 제 2 전극 중 하나는 상기 제 2 트랜지스터의 제 1 및 제 2 전극 중 다른 하나에 전기적으로 접속되고,상기 제 1 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 게이트 전극에 전기적으로 접속되고,발광 동안 전류가 상기 EL 소자에서 흐르고,상기 EL 소자에서 흐르는 상기 전류는 또한 발광 동안 상기 제 1 트랜지스터 및 상기 제 2 트랜지스터에서 흐르는, 반도체 디바이스.
- 반도체 디바이스로서:제 1 트랜지스터로서, 상기 제 1 트랜지스터의 게이트 전극은 제 1 게이트 신호 라인에 전기적으로 접속되고, 상기 제 1 트랜지스터의 제 1 전극은 소스 신호 라인에 전기적으로 접속되는, 상기 제 1 트랜지스터;제 2 트랜지스터로서, 상기 제 2 트랜지스터의 제 1 전극은 상기 제 1 트랜 지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 2 트랜지스터의 제 2 전극은 전류 공급 라인에 전기적으로 접속되는, 상기 제 2 트랜지스터; 및제 3 트랜지스터로서, 상기 제 3 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 게이트 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 2 전극은 EL 소자에 전기적으로 접속되는, 상기 제 3 트랜지스터를 포함하는, 반도체 디바이스.
- 반도체 디바이스로서:제 1 게이트 신호 라인에 의해 제어되는 제 1 스위칭 소자;제 2 게이트 신호 라인에 의해 제어되는 제 2 스위칭 소자;제 1 트랜지스터로서, 상기 제 1 트랜지스터의 게이트 전극은 상기 제 2 스위칭 소자에 전기적으로 접속되고, 상기 제 1 트랜지스터의 제 1 전극은 상기 제 1 스위칭 소자에 전기적으로 접속되고, 상기 제 1 트랜지스터의 제 2 전극은 전류 공급 라인에 전기적으로 접속되는, 상기 제 1 트랜지스터; 및제 2 트랜지스터로서, 상기 제 2 트랜지스터의 게이트 전극은 상기 제 2 스위칭 소자에 전기적으로 접속되고, 상기 제 2 트랜지스터의 제 1 전극은 상기 제 1 스위칭 소자에 전기적으로 접속되고, 상기 제 2 트랜지스터의 제 2 전극은 EL 소자에 전기적으로 접속되는, 상기 제 2 트랜지스터를 포함하는, 반도체 디바이스.
- 반도체 디바이스로서:제 1 트랜지스터로서, 상기 제 1 트랜지스터의 게이트 전극은 제 1 게이트 신호 라인에 전기적으로 접속되고, 상기 제 1 트랜지스터의 제 1 전극은 소스 신호 라인에 전기적으로 접속되는, 상기 제 1 트랜지스터;제 2 트랜지스터로서, 상기 제 2 트랜지스터의 게이트 전극은 제 2 게이트 신호 라인에 전기적으로 접속되고, 상기 제 2 트랜지스터의 제 2 전극은 소스 신호 라인에 전기적으로 접속되는, 상기 제 2 트랜지스터;제 3 트랜지스터로서, 상기 제 3 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 제 1 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 2 전극은 전류 공급 라인에 전기적으로 접속되는, 상기 제 3 트랜지스터; 및제 4 트랜지스터로서, 상기 제 4 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 제 1 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 2 전극은 EL 소자에 전기적으로 접속되는, 상기 제 4 트랜지스터를 포함하는, 반도체 디바이스.
- 반도체 디바이스로서:제 1 트랜지스터로서, 상기 제 1 트랜지스터의 게이트 전극은 제 1 게이트 신호 라인에 전기적으로 접속되고, 상기 제 1 트랜지스터의 제 1 전극은 소스 신호 라인에 전기적으로 접속되는, 상기 제 1 트랜지스터;제 2 트랜지스터로서, 상기 제 2 트랜지스터의 게이트 전극은 제 2 게이트 신호 라인에 전기적으로 접속되고, 상기 제 2 트랜지스터의 제 2 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되는, 상기 제 2 트랜지스터;제 3 트랜지스터로서, 상기 제 3 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 제 1 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 2 전극은 전류 공급 라인에 전기적으로 접속되는, 상기 제 3 트랜지스터; 및제 4 트랜지스터로서, 상기 제 4 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 제 1 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 2 전극은 EL 소자에 전기적으로 접속되는, 상기 제 4 트랜지스터를 포함하는, 반도체 디바이스.
- 반도체 디바이스로서:제 1 트랜지스터로서, 상기 제 1 트랜지스터의 제 1 전극은 소스 신호 라인에 전기적으로 접속되는, 상기 제 1 트랜지스터;제 2 트랜지스터로서, 상기 제 2 트랜지스터의 제 2 전극은 상기 소스 신호 라인에 전기적으로 접속되는, 상기 제 2 트랜지스터;제 3 트랜지스터로서, 상기 제 3 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 제 1 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 2 전극은 전류 공급 라인에 전기적으로 접속되는, 상기 제 3 트랜지스터; 및제 4 트랜지스터로서, 상기 제 4 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 상기 제 1 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 상기 제 2 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 2 전극은 EL 소자에 전기적으로 접속되는, 상기 제 4 트랜지스터를 포함하는, 반도체 디바이스.
- 제 6 항에 있어서,상기 제 1 트랜지스터의 게이트 전극은 제 1 게이트 신호 라인에 전기적으로 접속되고, 상기 제 2 트랜지스터의 게이트 전극은 제 2 게이트 신호 라인에 전기적으로 접속되는, 반도체 디바이스.
- 제 6 항에 있어서,상기 제 1 트랜지스터의 게이트 전극은 게이트 신호 라인에 전기적으로 접속되고, 상기 제 2 트랜지스터의 게이트 전극은 상기 게이트 신호 라인에 전기적으로 접속되는, 반도체 디바이스.
- 반도체 디바이스로서:제 1 트랜지스터로서, 상기 제 1 트랜지스터의 제 1 전극은 소스 신호 라인에 전기적으로 접속되는, 상기 제 1 트랜지스터;제 2 트랜지스터로서, 상기 제 2 트랜지스터의 제 2 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되는, 상기 제 2 트랜지스터;제 3 트랜지스터로서, 상기 제 3 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 제 1 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 제 2 전극에 전기적으로 접속되고, 상기 제 3 트랜지스터의 제 2 전극은 전류 공급 라인에 전기적으로 접속되는, 상기 제 3 트랜지스터; 및제 4 트랜지스터로서, 상기 제 4 트랜지스터의 게이트 전극은 상기 제 2 트랜지스터의 상기 제 1 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 1 전극은 상기 제 1 트랜지스터의 상기 제 2 전극에 전기적으로 접속되고, 상기 제 4 트랜지스터의 제 2 전극은 EL 소자에 전기적으로 접속되는, 상기 제 4 트랜지스터를 포함하는, 반도체 디바이스.
- 제 9 항에 있어서,상기 제 1 트랜지스터의 게이트 전극은 제 1 게이트 신호 라인에 전기적으로 접속되고, 상기 제 2 트랜지스터의 게이트 전극은 제 2 게이트 신호 라인에 전기적으로 접속되는, 반도체 디바이스.
- 제 9 항에 있어서,상기 제 1 트랜지스터의 게이트 전극은 게이트 신호 라인에 전기적으로 접속되고, 상기 제 2 트랜지스터의 게이트 전극은 상기 게이트 신호 라인에 전기적으로 접속되는, 반도체 디바이스.
- 제 1 항 내지 제 6 항 및 제 9 항 중 어느 한 항에 있어서,상기 반도체 디바이스는 유기 발광 디스플레이 디바이스, 디지털 스틸 카메라, 랩탑 컴퓨터, 휴대용 컴퓨터, 기록 매체를 포함하는 이미지 재생 장치, 고글형 디스플레이, 비디오 카메라 및 휴대 전화로 구성된 그룹으로부터 선택된 전자 장비에 적용되는, 반도체 디바이스.
- 제 1 항 내지 제 6 항 및 제 9 항 중 어느 한 항에 있어서,Idata로 표시된 전류는 기입(write-in) 동안, 상기 제 3 트랜지스터를 흐르고 상기 제 4 트랜지스터를 흐르지 않고,IEL로 표시된 전류는 발광 동안, 상기 제 3 트랜지스터 및 상기 제 4 트랜지스터를 흐르는, 반도체 디바이스.
- 제 13 항에 있어서,상기 Idata 와 IEL 로 표시된 전류 사이의 관계는 Idata ≥IEL 인, 반도체 디바이스.
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TW478169B (en) * | 1999-07-16 | 2002-03-01 | Seiko Epson Corp | Electro optical device and the projection display device using the same |
US6661180B2 (en) | 2001-03-22 | 2003-12-09 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device, driving method for the same and electronic apparatus |
US10211268B1 (en) * | 2012-09-28 | 2019-02-19 | Imaging Systems Technology, Inc. | Large area OLED display |
US7365713B2 (en) | 2001-10-24 | 2008-04-29 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and driving method thereof |
US7456810B2 (en) | 2001-10-26 | 2008-11-25 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and driving method thereof |
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TW557581B (en) | 2003-10-11 |
US20030058687A1 (en) | 2003-03-27 |
US8378578B2 (en) | 2013-02-19 |
US8604704B2 (en) | 2013-12-10 |
EP1296310B1 (en) | 2013-04-03 |
EP1296310A3 (en) | 2005-10-26 |
JP2010055121A (ja) | 2010-03-11 |
JP5005020B2 (ja) | 2012-08-22 |
KR100975797B1 (ko) | 2010-08-17 |
US7583032B2 (en) | 2009-09-01 |
US20110169008A1 (en) | 2011-07-14 |
US20050231123A1 (en) | 2005-10-20 |
CN101231817B (zh) | 2011-04-13 |
CN100409295C (zh) | 2008-08-06 |
US20130234195A1 (en) | 2013-09-12 |
KR100975775B1 (ko) | 2010-08-17 |
EP2290642B1 (en) | 2015-12-23 |
CN1409289A (zh) | 2003-04-09 |
SG120075A1 (en) | 2006-03-28 |
US20100079177A1 (en) | 2010-04-01 |
EP1296310A2 (en) | 2003-03-26 |
EP2290642A3 (en) | 2011-05-04 |
US7915830B2 (en) | 2011-03-29 |
KR20030025873A (ko) | 2003-03-29 |
US6909242B2 (en) | 2005-06-21 |
EP2290642A2 (en) | 2011-03-02 |
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