KR100945467B1 - 스위칭소자, 표시장치, 그 스위칭소자를 사용한 발광장치및 반도체장치 - Google Patents
스위칭소자, 표시장치, 그 스위칭소자를 사용한 발광장치및 반도체장치 Download PDFInfo
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- KR100945467B1 KR100945467B1 KR1020020061224A KR20020061224A KR100945467B1 KR 100945467 B1 KR100945467 B1 KR 100945467B1 KR 1020020061224 A KR1020020061224 A KR 1020020061224A KR 20020061224 A KR20020061224 A KR 20020061224A KR 100945467 B1 KR100945467 B1 KR 100945467B1
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- 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
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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
- 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
- G09G2310/0248—Precharge or discharge of column electrodes before or after applying exact column voltages
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
Abstract
Description
Claims (24)
- 절연표면과;상기 절연표면에 접촉하는 활성층과;상기 절연표면 상에 형성되고 상기 활성층을 덮는 게이트 절연막과;상기 게이트 절연막에 접촉하는 게이트전극을 구비한 스위칭소자에 있어서,상기 활성층은 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 채널형성영역과 상기 게이트전극은 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역은 적어도 하나의 배선에 각각 접속되고;상기 3개 이상의 불순물영역은 상기 채널형성영역과 접촉하는 것을 특징으로 하는 스위칭소자.
- 삭제
- 절연표면과;상기 절연표면에 접촉하는 활성층과;상기 절연표면 상에 형성되고 상기 활성층을 덮는 게이트 절연막과;상기 게이트 절연막에 접촉하는 게이트전극을 구비한 스위칭소자에 있어서,상기 활성층은 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 채널형성영역과 상기 게이트전극은 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역은 적어도 하나의 배선에 각각 접속되고;상기 3개 이상의 불순물영역 각각은, 저농도 불순물영역 중 하나에 접속하고, 모든 상기 저농도 불순물영역은 상기 채널형성영역과 접속하는 것을 특징으로 하는 스위칭소자.
- 삭제
- 절연표면과;상기 절연표면에 접촉하는 활성층과;상기 절연표면 상에 형성되고 상기 활성층을 덮는 게이트 절연막과;상기 게이트 절연막에 접촉하는 게이트전극을 구비한 스위칭소자에 있어서,상기 활성층은 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 채널형성영역과 상기 게이트전극은 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역은 적어도 하나의 배선에 각각 접속되고;상기 3개 이상의 불순물영역 각각은, 오프셋 영역 중 하나와 접속하고, 상기 모든 오프셋 영역은 상기 채널형성영역과 접속하는 것을 특징으로 하는 스위칭소자.
- 삭제
- 절연표면과;상기 절연표면에 접촉하는 활성층과;상기 절연표면 상에 형성되고 상기 활성층을 덮는 게이트 절연막과;상기 게이트 절연막과 접촉하는 n개(n은 2보다 크거나 같은 자연수)의 게이트전극을 구비한 스위칭소자에 있어서,상기 활성층은 n개의 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 n개의 채널형성영역 각각과 상기 n개의 게이트전극 중 하나는 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역 각각은 적어도 하나의 배선에 접속되고;상기 3개 이상의 불순물영역 각각은 상기 n개의 채널형성영역 중에서 하나의 서로 다른 채널형성영역과 접촉하는 것을 특징으로 하는 스위칭소자.
- 삭제
- 절연표면과;상기 절연표면에 접촉하는 활성층과;상기 절연표면 상에 형성되고 상기 활성층을 덮는 게이트 절연막과;상기 게이트 절연막과 접촉하는 n개(n은 2보다 크거나 같은 자연수)의 게이트전극을 구비한 스위칭소자에 있어서,상기 활성층은 n개의 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 n개의 채널형성영역 각각과 상기 n개의 게이트전극 중 하나는 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역 각각은 적어도 하나의 배선에 접속되고;상기 3개 이상의 불순물영역 각각은, 저농도 불순물영역 중 하나에 접촉하고, 상기 저농도 불순물영역은 상기 n개의 채널형성영역 중에서 하나의 서로 다른 채널형성영역과 접촉하는 것을 특징으로 하는 스위칭소자.
- 삭제
- 절연표면과;상기 절연표면에 접촉하는 활성층과;상기 절연표면 상에 형성되고 상기 활성층을 덮는 게이트 절연막과;상기 게이트 절연막과 접촉하는 n개(n은 2보다 크거나 같은 자연수)의 게이트전극을 구비한 스위칭소자에 있어서,상기 활성층은 n개의 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 n개의 채널형성영역 각각과 상기 n개의 게이트전극 중 하나는 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역 각각은 적어도 하나의 배선에 접속되고;상기 3개 이상의 불순물영역 각각은 오프셋 영역 중 하나에 접촉하고, 상기 모든 오프셋 영역은 상기 n개의 채널형성영역 중에서 하나의 서로 다른 채널형성영역과 접촉하는 것을 특징으로 하는 스위칭소자.
- 삭제
- 절연표면과;상기 절연표면과 접촉하는 게이트전극과;상기 절연표면 상에 형성되고 상기 게이트전극을 덮는 게이트 절연막과;상기 게이트 절연막과 접촉하는 활성층을 구비한 스위칭소자에 있어서,상기 활성층은 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 채널형성영역과 상기 게이트전극은 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역은 적어도 하나의 배선에 각각 접속되고;상기 3개 이상의 불순물영역은 상기 채널형성영역에 접속되는 것을 특징으로 하는 스위칭소자.
- 삭제
- 절연표면과 접촉하는 n개(n은 2보다 크거나 같은 자연수)의 게이트전극과;상기 절연표면 상에 형성되어 n개의 게이트전극을 덮는 게이트 절연막과;상기 게이트 절연막과 접촉하는 활성층을 구비한 스위칭소자에 있어서,상기 활성층은 n개의 채널형성영역과 3개 이상의 불순물영역을 갖고;상기 n개의 채널형성영역 각각과 n개의 게이트전극은 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개 이상의 불순물영역 각각은 적어도 하나의 배선에 접속되고;상기 3개 이상의 불순물영역 각각은 상기 n개의 채널형성영역 중에서 하나의 서로 다른 채널형성영역과 접촉하는 것을 특징으로 하는 스위칭소자.
- 청구항 1, 3, 5, 7, 9, 11, 13, 15 중 어느 한 항에 따른 스위칭소자를 갖는 것을 특징으로 하는 표시장치.
- 스위칭소자와;제 1 트랜지스터와;제 2 트랜지스터와;유기발광소자와;신호선과;전원선을 구비한 발광장치에 있어서,상기 스위칭소자는, 활성층과, 상기 활성층과 접촉하는 게이트 절연막과, 상기 게이트 절연막과 접촉하는 게이트전극을 갖고;상기 활성층은 채널형성영역과 3개의 불순물영역을 갖고;상기 채널형성영역과 상기 게이트전극은 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개의 불순물영역은 상기 채널형성영역과 접촉하고;상기 제 1 트랜지스터는 게이트전극과, 드레인영역과, 소스영역을 갖고;상기 3개의 불순물영역 중에서, 하나의 불순물영역은 상기 신호선에 접속되고, 하나의 불순물영역은 상기 제 1 트랜지스터의 게이트전극에 접속되고, 하나의 불순물영역은 상기 제 1 트랜지스터의 드레인영역에 접속되고;상기 제 2 트랜지스터는 소스영역과 드레인영역을 갖고;상기 제 2 트랜지스터의 상기 소스영역과 상기 드레인영역 중 한쪽은 상기 전원선에 접속되고, 또 한쪽은 상기 제 1 트랜지스터의 상기 드레인영역에 접속되고;상기 유기발광소자는 화소전극을 갖고;상기 제 1 트랜지스터의 소스영역은 상기 유기발광소자의 상기 화소전극에 접속되는 것을 특징으로 하는 발광장치.
- 스위칭소자와;제 1 트랜지스터와;제 2 트랜지스터와;유기발광소자와;신호선과;전원선과;제 1 주사선과;제 2 주사선을 구비한 발광장치에 있어서,상기 스위칭소자는, 활성층과, 상기 활성층과 접촉하는 게이트 절연막과, 상기 게이트 절연막과 접촉하는 게이트전극을 갖고;상기 활성층은 채널형성영역과 3개의 불순물영역을 갖고;상기 채널형성영역과 상기 게이트전극은 상기 게이트 절연막을 협지하면서 서로 중첩하고;상기 3개의 불순물영역은 상기 채널형성영역과 접촉하고;상기 제 1 트랜지스터는 게이트전극과, 드레인영역과, 소스영역을 갖고;상기 3개의 불순물영역 중에서, 하나의 불순물영역은 상기 신호선에 접속되고, 하나의 불순물영역은 상기 제 1 트랜지스터의 게이트전극에 접속되고, 하나의 불순물영역은 상기 제 1 트랜지스터의 드레인영역에 접속되고;상기 스위칭소자의 게이트전극은, 상기 제 1 주사선에 접속되고;상기 제 2 트랜지스터의 게이트전극은 상기 제 2 주사선에 접속되고;상기 제 2 트랜지스터는 소스영역과 드레인영역을 갖고;상기 제 2 트랜지스터의 상기 소스영역 또는 상기 드레인영역은 상기 전원선에 접속되고, 또 한쪽은 상기 제 1 트랜지스터의 상기 드레인영역에 접속되고;상기 유기발광소자는 화소전극을 갖고;상기 제 1 트랜지스터의 소스영역은 상기 유기발광소자의 상기 화소전극에 접속되는 것을 특징으로 하는 발광장치.
- 절연표면과;상기 절연표면 상에 형성되고, 채널형성영역과 적어도 3개의 불순물영역을 구비하되, 상기 적어도 3개의 불순물영역 각각은 서로 이격되고 상기 채널형성영역과 접촉되어 있는 반도체 섬과;상기 반도체 섬 상에 형성된 게이트 절연막과;상기 게이트 절연막을 상기 채널형성영역 상에 삽입하여 형성된 게이트전극을 구비한 것을 특징으로 하는 반도체장치.
- 제 19 항에 있어서,상기 3개의 불순물영역 중 제 1 불순물영역에 전기적으로 접속된 제 1 전극과, 상기 3개의 불순물영역 중 제 2 불순물영역에 전기적으로 접속된 제 2 전극과, 상기 3개의 불순물영역 중 제 3 불순물영역에 전기적으로 접속된 제 3 전극을 더 구비한 것을 특징으로 하는 반도체장치.
- 제 16 항에 따른 표시장치를 구비한 전자기기에 있어서,상기 전자기기는 OLED 표시장치, 디지털 카메라, 랩탑 컴퓨터, 모바일 컴퓨터, 휴대형 화상재생장치, 고글형 디스플레이, 비디오 카메라 및 휴대전화로 구성된 그룹으로부터 선택되는 것을 특징으로 하는 전자기기.
- 제 17 항 또는 제 18항에 따른 발광장치를 구비한 전자기기에 있어서,상기 전자기기는 OLED 표시장치, 디지털 카메라, 랩탑 컴퓨터, 모바일 컴퓨터, 휴대형 화상재생장치, 고글형 디스플레이, 비디오 카메라 및 휴대전화로 구성된 그룹으로부터 선택되는 것을 특징으로 하는 전자기기.
- 제 19 항에 따른 반도체장치를 구비한 전자기기에 있어서,상기 전자기기는 OLED 표시장치, 디지털 카메라, 랩탑 컴퓨터, 모바일 컴퓨터, 휴대형 화상재생장치, 고글형 디스플레이, 비디오 카메라 및 휴대전화로 구성된 그룹으로부터 선택되는 것을 특징으로 하는 전자기기.
- 제 16 항에 있어서,상기 활성층의 수는 1인 것을 특징으로 하는 표시장치.
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US20030066740A1 (en) | 2003-04-10 |
US7102161B2 (en) | 2006-09-05 |
TW577179B (en) | 2004-02-21 |
KR20030030904A (ko) | 2003-04-18 |
CN100403548C (zh) | 2008-07-16 |
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