KR100653299B1 - 능동형 el 표시 장치 - Google Patents
능동형 el 표시 장치 Download PDFInfo
- Publication number
- KR100653299B1 KR100653299B1 KR1020000013553A KR20000013553A KR100653299B1 KR 100653299 B1 KR100653299 B1 KR 100653299B1 KR 1020000013553 A KR1020000013553 A KR 1020000013553A KR 20000013553 A KR20000013553 A KR 20000013553A KR 100653299 B1 KR100653299 B1 KR 100653299B1
- Authority
- KR
- South Korea
- Prior art keywords
- current
- circuit
- cathode
- display device
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000010409 thin film Substances 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
- 238000005401 electroluminescence Methods 0.000 description 43
- 239000010410 layer Substances 0.000 description 16
- 239000010408 film Substances 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 230000005525 hole transport Effects 0.000 description 3
- 229910017911 MgIn Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 2
- UHXOHPVVEHBKKT-UHFFFAOYSA-N 1-(2,2-diphenylethenyl)-4-[4-(2,2-diphenylethenyl)phenyl]benzene Chemical compound C=1C=C(C=2C=CC(C=C(C=3C=CC=CC=3)C=3C=CC=CC=3)=CC=2)C=CC=1C=C(C=1C=CC=CC=1)C1=CC=CC=C1 UHXOHPVVEHBKKT-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Images
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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
-
- 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
-
- 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
- G09G2310/04—Partial updating of the display screen
-
- 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
-
- 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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
Landscapes
- 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)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (3)
- 각 화소에 대응하여 독립적으로 형성된 복수의 양극, 상기 복수의 양극에 대하여 공통으로 형성된 음극, 및 상기 양극과 음극 사이의 발광층을 포함하여 구성되는 복수의 EL 소자, 및 각 화소에 대응하여 설치되며 상기 복수의 양극과 전원 전압 라인 사이에 접속되어 상기 복수의 EL 소자를 각각 전류 구동하는 복수의 박막 트랜지스터를 구비한 능동형 EL 표시 장치에 있어서,상기 음극으로 유입되는 전류를 검출하는 전류 검출 회로, 및검출 전류에 따라서 상기 EL 소자의 발광 휘도를 제어하는 제어 회로를 포함하는 것을 특징으로 하는 능동형 EL 표시 장치.
- 제1항에 있어서, 상기 제어 회로는 상기 검출 전류의 증가에 따라 상기 전원 전압을 저하시키고 상기 검출 전류의 감소에 따라 상기 전원 전압을 상승시키는 것을 특징으로 하는 능동형 EL 표시 장치.
- 제1항에 있어서, 상기 전류 검출 회로는 검출 전류에 따른 출력 전압을 발생하도록 구성되며, 상기 제어 회로는 상기 출력 전압을 반전 증폭하는 반전 전압 증폭 회로와 상기 반전 전압 증폭 회로의 출력을 전류 증폭하는 전류 증폭 회로로 구성된 것을 특징으로 하는 능동형 EL 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07392899A JP4073107B2 (ja) | 1999-03-18 | 1999-03-18 | アクティブ型el表示装置 |
JP1999-073928 | 1999-03-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010014600A KR20010014600A (ko) | 2001-02-26 |
KR100653299B1 true KR100653299B1 (ko) | 2006-12-04 |
Family
ID=13532299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000013553A Expired - Lifetime KR100653299B1 (ko) | 1999-03-18 | 2000-03-17 | 능동형 el 표시 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6204610B1 (ko) |
JP (1) | JP4073107B2 (ko) |
KR (1) | KR100653299B1 (ko) |
TW (1) | TW566055B (ko) |
Families Citing this family (69)
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KR100761868B1 (ko) * | 2006-07-20 | 2007-09-28 | 재단법인서울대학교산학협력재단 | 능동 구동형 유기발광소자를 이용한 표시장치의 데이터신호생성장치 및 화소구조 |
JP2008026761A (ja) | 2006-07-25 | 2008-02-07 | Sony Corp | 消費電力制御装置、画像処理装置、自発光表示装置、電子機器、消費電力制御方法及びコンピュータプログラム |
JP2008076757A (ja) * | 2006-09-21 | 2008-04-03 | Sanyo Electric Co Ltd | エレクトロルミネッセンス表示装置及びエレクトロルミネッセンス表示装置の表示ばらつき補正方法 |
JP4631837B2 (ja) * | 2006-09-29 | 2011-02-16 | セイコーエプソン株式会社 | アクティブマトリクス型発光装置およびアクティブマトリクス型発光装置における画素電源切換え方法、並びに電子機器 |
JP5095200B2 (ja) * | 2006-12-22 | 2012-12-12 | オンセミコンダクター・トレーディング・リミテッド | エレクトロルミネッセンス表示装置及び表示パネルの駆動装置 |
KR100993426B1 (ko) * | 2008-11-10 | 2010-11-09 | 삼성모바일디스플레이주식회사 | 유기전계발광 표시 장치 및 그의 제조 방법 |
WO2014129519A1 (en) | 2013-02-20 | 2014-08-28 | Semiconductor Energy Laboratory Co., Ltd. | Peeling method, semiconductor device, and peeling apparatus |
CN105793957B (zh) | 2013-12-12 | 2019-05-03 | 株式会社半导体能源研究所 | 剥离方法及剥离装置 |
KR102241848B1 (ko) | 2014-08-12 | 2021-04-20 | 삼성디스플레이 주식회사 | 전원 공급 장치 및 이를 포함하는 유기발광 표시장치 |
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- 2000-03-17 US US09/528,157 patent/US6204610B1/en not_active Expired - Lifetime
- 2000-03-17 KR KR1020000013553A patent/KR100653299B1/ko not_active Expired - Lifetime
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JPH03253818A (ja) * | 1990-03-03 | 1991-11-12 | Fujitsu Ltd | 液晶パネルの駆動方法およびその装置 |
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JPH06332402A (ja) * | 1993-05-25 | 1994-12-02 | Fujitsu General Ltd | プラズマディスプレイの制御方法およびその装置 |
Also Published As
Publication number | Publication date |
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US6204610B1 (en) | 2001-03-20 |
TW566055B (en) | 2003-12-11 |
JP4073107B2 (ja) | 2008-04-09 |
KR20010014600A (ko) | 2001-02-26 |
JP2000267628A (ja) | 2000-09-29 |
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