KR20030019899A - 전류 생성 회로, 반도체 집적 회로, 전기 광학 장치 및전자 기기 - Google Patents
전류 생성 회로, 반도체 집적 회로, 전기 광학 장치 및전자 기기 Download PDFInfo
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- KR20030019899A KR20030019899A KR1020020050322A KR20020050322A KR20030019899A KR 20030019899 A KR20030019899 A KR 20030019899A KR 1020020050322 A KR1020020050322 A KR 1020020050322A KR 20020050322 A KR20020050322 A KR 20020050322A KR 20030019899 A KR20030019899 A KR 20030019899A
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- 239000004065 semiconductor Substances 0.000 title claims 2
- 238000000034 method Methods 0.000 claims description 10
- 241001270131 Agaricus moelleri Species 0.000 claims description 7
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- 238000006243 chemical reaction Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 18
- 101150096622 Smr2 gene Proteins 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 7
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- 239000010409 thin film Substances 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
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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]
- G09G3/3275—Details of drivers for 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
- 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
- G09G2310/0264—Details of driving circuits
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
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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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0428—Gradation resolution change
-
- 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
- G09G3/3241—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 the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror
- G09G3/325—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 the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror the data current flowing through the driving transistor during a setting phase, e.g. by using a switch for connecting the driving transistor to the data driver
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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)
- Electroluminescent Light Sources (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (14)
- 복수의 요소 전류 중에서, 입력되는 디지털 데이터에 따른 요소 전류를 선택함으로써 부전류를 출력하는 복수개의 회로 블록과,상기 부전류를 합성함으로써 주전류를 출력하는 합성 회로를 구비하는 것을 특징으로 하는 전류 생성 회로.
- 제 1 항에 있어서,한개의 회로 블록은 상기 복수의 요소 전류의 각각을 이득 계수가 각각 상이한 트랜지스터에 의해 생성하는 것을 특징으로 하는 전류 생성 회로.
- 제 2 항에 있어서,상기 트랜지스터에는 그 이득 계수의 비가 이진 가중(二進加重)이 되는 조합의 것이 포함되는 것을 특징으로 하는 전류 생성 회로.
- 제 2 항 또는 제 3 항에 있어서,상기 트랜지스터의 각각은 전계 효과형 트랜지스터이고,한개의 회로 블록에서의 트랜지스터의 게이트 전극에는 공통의 기준 전압이 공급되는 것을 특징으로 하는 전류 생성 회로.
- 부전류를 생성하는 복수개의 회로 블록과,각 회로 블록에 의해 생성된 부전류를 합성함으로써 주전류를 출력하는 합성 회로를 구비하고,각각의 회로 블록은, 입력되는 디지털 데이터가 취할 수 있는 범위를 분할한 범위의 각각에 할당되고,한개의 회로 블록은,디지털 데이터의 값이 상기 회로 블록에 할당된 범위 이하인 경우, 대략 제로의 부전류를 생성하고,디지털 데이터의 값이 상기 회로 블록에 할당된 범위에 있는 경우, 상기 디지털 데이터에 따라서 대략 직선 특성으로 부전류를 생성하고,디지털 데이터의 값이 상기 회로 블록에 할당된 범위 이상인 경우, 상기 한개의 블록에 대하여 상위측에 인접하는 블록에 할당된 디지털 데이터의 범위의 최저값에 상당하는 부전류를 생성하는 것을 특징으로 하는 전류 생성 회로.
- 제 5 항에 있어서,회로 블록에서의 대략 직선 특성을 각 회로 블록에 대하여 개별적으로 설정할 수 있는 것을 특징으로 하는 전류 생성 회로.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,상기 주전류의 하한값을 규정하는 오프셋 전류 경로를 구비하는 것을 특징으로 하는 전류 생성 회로.
- 제 1 항 내지 제 7 항 중 어느 한 항에 기재된 전류 생성 회로를 집적화한 것을 특징으로 하는 반도체 집적 회로.
- 복수의 주사선과, 복수의 데이터선과, 상기 주사선을 구동하는 주사선 구동 회로와, 상기 데이터선을 구동하는 데이터선 구동 회로와, 상기 주사선 및 상기 데이터선의 교차부에 배치되는 전기 광학 소자를 구비하는 전기 광학 장치로서,상기 데이터선 구동 회로는 제 1 항 내지 제 7 항 중 어느 한 항에 기재된 전류 생성 회로를 포함하고, 상기 전류 생성 회로에 의한 주전류를 한개의 데이터선에 공급하는 것을 특징으로 하는 전기 광학 장치.
- 제 9 항에 있어서,상기 전기 광학 소자는 전류에 의해 구동되는 피구동 소자인 것을 특징으로 하는 전기 광학 장치.
- 제 10 항에 있어서,상기 피구동 소자는 유기 일렉트로루미네선스 소자인 것을 특징으로 하는 전기 광학 장치.
- 제 11 항에 있어서,상기 유기 일렉트로루미네선스 소자의 휘도 계조를 규정하는 데이터를 기억하는 메모리와,상기 메모리로부터 데이터를 판독하여, 상기 디지털 데이터로서 상기 데이터선 구동 회로에 공급하는 제어 회로를 구비하는 것을 특징으로 하는 전기 광학 장치.
- 제 8 항 내지 제 12 항 중 어느 한 항에 있어서,동작의 기준이 되는 기준 동작 신호를 공급하는 발진 회로를 갖는 것을 특징으로 하는 전기 광학 장치.
- 제 8 항 내지 제 13 항 중 어느 한 항에 기재된 전기 광학 장치가 실장된 것을 특징으로 하는 전자 기기.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001260115 | 2001-08-29 | ||
JPJP-P-2001-00260115 | 2001-08-29 | ||
JP2002223164A JP2003150115A (ja) | 2001-08-29 | 2002-07-31 | 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 |
JPJP-P-2002-00223164 | 2002-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030019899A true KR20030019899A (ko) | 2003-03-07 |
KR100479001B1 KR100479001B1 (ko) | 2005-03-30 |
Family
ID=26621248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0050322A KR100479001B1 (ko) | 2001-08-29 | 2002-08-24 | 전류 생성 회로, 반도체 집적 회로, 전기 광학 장치 및전자 기기 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7088311B2 (ko) |
EP (1) | EP1288905A3 (ko) |
JP (1) | JP2003150115A (ko) |
KR (1) | KR100479001B1 (ko) |
CN (1) | CN1267875C (ko) |
TW (1) | TW583628B (ko) |
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KR100831228B1 (ko) * | 2002-01-30 | 2008-05-21 | 삼성전자주식회사 | 유기 전계발광 표시장치 및 그의 구동방법 |
JP2004126523A (ja) | 2002-07-31 | 2004-04-22 | Seiko Epson Corp | 電子回路、電気光学装置及び電子機器 |
JP2004138976A (ja) * | 2002-10-21 | 2004-05-13 | Pioneer Electronic Corp | 表示パネル駆動装置 |
KR100803412B1 (ko) | 2002-10-31 | 2008-02-13 | 가시오게산키 가부시키가이샤 | 표시장치 및 표시장치 구동방법 |
JP2004163673A (ja) * | 2002-11-13 | 2004-06-10 | Toshiba Corp | 表示装置 |
JP4484451B2 (ja) * | 2003-05-16 | 2010-06-16 | 奇美電子股▲ふん▼有限公司 | 画像表示装置 |
KR100742063B1 (ko) | 2003-05-26 | 2007-07-23 | 가시오게산키 가부시키가이샤 | 전류생성공급회로 및 표시장치 |
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KR100658619B1 (ko) | 2004-10-08 | 2006-12-15 | 삼성에스디아이 주식회사 | 디지털/아날로그 컨버터와 이를 이용한 표시 장치 및 그표시 패널과 구동 방법 |
KR100670137B1 (ko) | 2004-10-08 | 2007-01-16 | 삼성에스디아이 주식회사 | 디지털/아날로그 컨버터와 이를 이용한 표시 장치 및 그표시 패널과 구동 방법 |
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-
2002
- 2002-07-31 JP JP2002223164A patent/JP2003150115A/ja active Pending
- 2002-08-23 EP EP02255886A patent/EP1288905A3/en not_active Ceased
- 2002-08-24 KR KR10-2002-0050322A patent/KR100479001B1/ko active IP Right Grant
- 2002-08-28 US US10/229,045 patent/US7088311B2/en not_active Expired - Lifetime
- 2002-08-28 TW TW091119589A patent/TW583628B/zh not_active IP Right Cessation
- 2002-08-28 CN CNB021421447A patent/CN1267875C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1402597A (zh) | 2003-03-12 |
TW583628B (en) | 2004-04-11 |
US20030058199A1 (en) | 2003-03-27 |
KR100479001B1 (ko) | 2005-03-30 |
EP1288905A2 (en) | 2003-03-05 |
EP1288905A3 (en) | 2004-07-07 |
CN1267875C (zh) | 2006-08-02 |
JP2003150115A (ja) | 2003-05-23 |
US7088311B2 (en) | 2006-08-08 |
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