KR20020057538A - 표시 소자의 액티브 매트릭스 방식의 구동 회로 - Google Patents
표시 소자의 액티브 매트릭스 방식의 구동 회로 Download PDFInfo
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- KR20020057538A KR20020057538A KR1020010000625A KR20010000625A KR20020057538A KR 20020057538 A KR20020057538 A KR 20020057538A KR 1020010000625 A KR1020010000625 A KR 1020010000625A KR 20010000625 A KR20010000625 A KR 20010000625A KR 20020057538 A KR20020057538 A KR 20020057538A
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- 239000011159 matrix material Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000005401 electroluminescence Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 17
- 238000009825 accumulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 101100191136 Arabidopsis thaliana PCMP-A2 gene Proteins 0.000 description 2
- 101100048260 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) UBX2 gene Proteins 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- 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
- G09G2300/0833—Several active elements per pixel in active matrix panels forming a linear amplifier or follower
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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
- 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
- G09G2310/0259—Details of the generation of driving signals with use of an analog or digital ramp generator in the column driver or in the pixel circuit
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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
- G09G2310/0262—The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data 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
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
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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
- G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
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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
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- 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)
Abstract
Description
Claims (8)
- 외부에서 인가되는 제어 전압을 스위칭하는 스위치와, 상기 제어 전압을 축적하는 캐패시터와, 상기 캐패시터에 축적된 전압에 의해 표시 소자를 발광시키는 구동부로 구성된 표시 소자의 액티브 매트릭스 방식의 구동 회로에 있어서,상기 스위칭부에 연결되어 상기 표시소자에 인가되는 소정전류를 감지하고 상기 제어전압을 조절하여 상기 구동부의 문턱 전압의 편차에 따른 표시 소자의 편차를 보정하는 편차 보정부와,상기 구동부에 연결되어 상기 구동부에 인가되는 전압에 따라 상기 편차 보정부 및 상기 표시 소자에 인가되는 전류를 스위칭하는 스위칭부를 포함하여 구성됨을 특징으로 하는 표시 소자의 액티브 매트릭스 방식 구동 회로.
- 제 1 항에 있어서, 상기 편차 보정부는상기 구동부에 흐르는 전류를 전압으로 전환하는 컨버터와,상기 컨버터에 의해 전환된 전압과 기준 전압을 비교하는 비교기와,외부에서 램프파를 입력받아 상기 비교기의 비교 결과가 동일한 경우, 상기 램프파 전압을 고정 및 유지하여 소정전압의 형태인 제어전압을 생성하는 S & H(sample & hold)부를 포함하여 구성됨을 특징으로 하는 표시 소자의 액티브 매트릭스 방식의 구동 회로.
- 제 1 항에 있어서, 상기 편차 보정부는상기 구동부에 흐르는 전류를 증폭된 전압으로 전환하는 트랜스임피던스 증폭기와,상기 트랜스임피던스 증폭기에 의해 전환된 전압과 소정의 휘도를 갖는 기준 전압을 입력받아 상기 두 전압을 비교하는 비교기와,외부에서 램프파를 입력받아 상기 비교기의 비교 결과가 동일한 경우, 상기 램프파 전압을 고정 및 유지하여 소정전압의 형태인 제어전압을 생성하는 S & H(sample & hold)부를 포함하여 구성됨을 특징으로 하는 표시 소자의 액티브 매트릭스 방식의 구동 회로.
- 제 1 항에 있어서, 상기 스위칭부는상기 구동부와 상기 표시 소자 사이에 위치하여 상기 표시 소자에 인가되는 전류를 스위칭하는 제 1 스위치와,상기 구동부와 상기 편차 보정부 사이에 위치하여 상기 편차 보정부에 인가되는 전류를 스위칭하는 제 2 스위치를 포함하여 구성됨을 특징으로 하는 표시 소자의 액티브 매트릭스 방식의 구동 회로.
- 제 4 항에 있어서,상기 제 1 스위치와 제 2 스위치는 서로 교차하면서 온/오프되는 것을 특징으로 하는 표시소자의 액티브 매트릭스 방식의 구동 회로.
- 제 4 항에 있어서,상기 제 1 스위치와 제 2 스위치는 NMOS 트랜지스터와 PMOS 트랜지스터로 각각 구성되는 것을 특징으로 하는 표시소자의 액티브 매트릭스 방식의 구동 회로.
- 제 4 항에 있어서,상기 제 2 스위치와 편차 보정부 사이에 위치하여 상기 제 2 스위치를 통해 출력되는 전류를 증폭하여 편차 보정부에 입력하는 증폭부를 더 포함하여 구성되는 것을 특징으로 하는 표시소자의 액티브 매트릭스 방식의 구동 회로.
- 제 7 항에 있어서, 상기 증폭부는상기 제 2 스위치의 출력단과 게이트가 연결되어, 상기 게이트와 그라운드에 연결된 한쪽단과의 전압차를 통해 증폭된 전류를 편차보정부로 출력하는 제 1 트랜지스터와,상기 제 1 트랜지스터의 게이트와 그라운드에 각각 연결되어 외부 신호에 의해 상기 전압차를 조절하는 제 2 트랜지스터를 포함하여 구성되는 것을 특징으로 하는 표시소자의 액티브 매트릭스 방식의 구동회로.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0000625A KR100370095B1 (ko) | 2001-01-05 | 2001-01-05 | 표시 소자의 액티브 매트릭스 방식의 구동 회로 |
DE60218762T DE60218762T2 (de) | 2001-01-05 | 2002-01-03 | Treiberschaltung für eine Anzeigevorrichtung mit aktiver Matrix mit Kompensation der Abweichung der Schwellspannung |
US10/033,979 US6917350B2 (en) | 2001-01-05 | 2002-01-03 | Driving circuit of active matrix method in display device |
EP02000314A EP1221686B1 (en) | 2001-01-05 | 2002-01-03 | Driving circuit of an active matrix display with compensation of threshold voltage deviation |
CNB021031967A CN1180389C (zh) | 2001-01-05 | 2002-01-05 | 显示器件中的有源矩阵方法的驱动电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0000625A KR100370095B1 (ko) | 2001-01-05 | 2001-01-05 | 표시 소자의 액티브 매트릭스 방식의 구동 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020057538A true KR20020057538A (ko) | 2002-07-11 |
KR100370095B1 KR100370095B1 (ko) | 2003-02-05 |
Family
ID=19704305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0000625A KR100370095B1 (ko) | 2001-01-05 | 2001-01-05 | 표시 소자의 액티브 매트릭스 방식의 구동 회로 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6917350B2 (ko) |
EP (1) | EP1221686B1 (ko) |
KR (1) | KR100370095B1 (ko) |
CN (1) | CN1180389C (ko) |
DE (1) | DE60218762T2 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7002302B2 (en) | 2002-10-07 | 2006-02-21 | Samsung Sdi Co., Ltd. | Flat panel display |
KR100967268B1 (ko) * | 2006-02-15 | 2010-07-01 | 프리즘, 인코포레이티드 | 형광 스크린을 사용하는 서보 어시스트 주사 빔 디스플레이시스템 |
US7777735B2 (en) | 2004-12-24 | 2010-08-17 | Samsung Mobile Display Co., Ltd. | Data driving integrated circuit (IC), light emitting display using the IC, and method of driving the light emitting display device |
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KR100445097B1 (ko) * | 2002-07-24 | 2004-08-21 | 주식회사 하이닉스반도체 | 패널의 문턱 전압을 보상하는 평판 디스플레이 패널 장치 |
GB0223305D0 (en) * | 2002-10-08 | 2002-11-13 | Koninkl Philips Electronics Nv | Electroluminescent display devices |
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- 2001-01-05 KR KR10-2001-0000625A patent/KR100370095B1/ko active IP Right Grant
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- 2002-01-03 EP EP02000314A patent/EP1221686B1/en not_active Expired - Lifetime
- 2002-01-03 DE DE60218762T patent/DE60218762T2/de not_active Expired - Lifetime
- 2002-01-03 US US10/033,979 patent/US6917350B2/en not_active Expired - Lifetime
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US7002302B2 (en) | 2002-10-07 | 2006-02-21 | Samsung Sdi Co., Ltd. | Flat panel display |
US7283110B2 (en) | 2002-10-07 | 2007-10-16 | Samsung Sdi Co., Ltd. | Flat panel display |
US7321135B2 (en) | 2002-10-07 | 2008-01-22 | Samsung Sdi Co., Ltd. | Flat panel display |
US7365495B2 (en) | 2002-10-07 | 2008-04-29 | Samsung Sdi Co., Ltd. | Flat panel display |
US7777735B2 (en) | 2004-12-24 | 2010-08-17 | Samsung Mobile Display Co., Ltd. | Data driving integrated circuit (IC), light emitting display using the IC, and method of driving the light emitting display device |
KR100967268B1 (ko) * | 2006-02-15 | 2010-07-01 | 프리즘, 인코포레이티드 | 형광 스크린을 사용하는 서보 어시스트 주사 빔 디스플레이시스템 |
Also Published As
Publication number | Publication date |
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US20020089357A1 (en) | 2002-07-11 |
CN1363916A (zh) | 2002-08-14 |
EP1221686A3 (en) | 2003-03-19 |
DE60218762T2 (de) | 2007-12-06 |
EP1221686A2 (en) | 2002-07-10 |
DE60218762D1 (de) | 2007-04-26 |
EP1221686B1 (en) | 2007-03-14 |
US6917350B2 (en) | 2005-07-12 |
KR100370095B1 (ko) | 2003-02-05 |
CN1180389C (zh) | 2004-12-15 |
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