JP5118050B2 - 照明デバイス - Google Patents
照明デバイス Download PDFInfo
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- JP5118050B2 JP5118050B2 JP2008536166A JP2008536166A JP5118050B2 JP 5118050 B2 JP5118050 B2 JP 5118050B2 JP 2008536166 A JP2008536166 A JP 2008536166A JP 2008536166 A JP2008536166 A JP 2008536166A JP 5118050 B2 JP5118050 B2 JP 5118050B2
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- 238000005286 illumination Methods 0.000 claims abstract description 115
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 29
- 230000032683 aging Effects 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004422 calculation algorithm Methods 0.000 description 4
- 230000002431 foraging effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007620 mathematical function Methods 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/06—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
- H01L21/14—Treatment of the complete device, e.g. by electroforming to form a barrier
- H01L21/145—Ageing
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Gerontology & Geriatric Medicine (AREA)
- Health & Medical Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electroluminescent Light Sources (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
2 照明領域
3 アクティブ領域
4 基準領域
5 ドライバー
6 測定回路
7 制御回路
8 固定されたデバイスの特性回路
Claims (10)
- a)光出力を有する有機発光ダイオード(OLED)と、
b)前記有機発光ダイオードに、照明のために光が発生される、照明領域および/または、前記照明領域である又は前記照明領域のより小さい複製であるアクティブ領域とを備え、前記発光ダイオードの光出力は、これら領域の使用と共に変化し、
前記有機発光ダイオードに備えた、前記照明領域および/またはアクティブ領域に接続されていないアイソレートされた領域であり、前記照明領域よりも実質的に小さい基準領域と、
前記基準領域、前記照明領域および/または前記アクティブ領域が上部に位置する基板と、
c)前記照明領域および/またはアクティブ領域の電流の値および電圧の値の少なくとも1つのアクティブ値、および前記基準領域の電流の値および電圧の値の少なくとも1つの基準値を検出する測定回路、および、
前記アクティブ値と前記基準値とを比較し、この比較に応答し、補正信号を発生し、前記照明領域の前記光出力の変化を補償する制御回路を含み、
前記基準領域、前記照明領域および/または前記アクティブ領域に接続されており、前記照明領域および/または前記アクティブ領域とは別個に、前記基準値を検出するときに前記基準領域をドライブするためのドライバーとを備え、
前記基準領域は、照明プロセス中にオフにスイッチングされ、前記制御回路からの信号に基づいて測定回路で基準値を検出する場合にオンにスイッチングされ、
前記制御回路は、前記アクティブ値および前記基準値に基づき、前記照明領域のための前記補正信号を計算することを特徴とする照明デバイス。 - 前記アクティブ領域は、前記照明領域に接続された、前記基準領域のサイズと同じサイズを有する領域である請求項1記載の照明デバイス。
- 前記ドライバーは、前記照明領域、前記基準領域および前記アクティブ領域に別々に接続されている請求項1記載の照明デバイス。
- 前記基準領域および/または前記アクティブ領域は、前記照明領域よりも実質的に小さい請求項1乃至3の何れか1項に記載の照明デバイス。
- 前記基準領域および/または前記アクティブ領域は、前記照明領域の境界に位置する請求項1乃至4の何れか1項に記載の照明デバイス。
- 前記ドライバーは、前記補正信号を決定するためのデバイス特性回路を含む請求項1乃至5の何れか1項に記載の照明デバイス。
- a)光出力を有する有機発光ダイオード(OLED)と、
b)前記有機発光ダイオードに、照明のために光が発生される、照明領域および/または、前記照明領域である又は前記照明領域のより小さい複製であるアクティブ領域とを備え、前記発光ダイオードの光出力は、これら領域の使用と共に変化し、
前記有機発光ダイオードに備えた、前記照明領域および/またはアクティブ領域に接続されていないアイソレートされた領域であり、前記照明領域よりも実質的に小さい基準領域と、
前記基準領域、前記照明領域および/または前記アクティブ領域が上部に位置する基板と、
c)前記基準領域、前記照明領域および/または前記アクティブ領域に接続されており、前記照明領域および/または前記アクティブ領域とは別個に、基準値を検出するときに前記基準領域をドライブするためのドライバーとを備えた、前記有機発光ダイオード(OLED)を備えた照明デバイスのエイジングプロセスを制御するための方法において、
測定回路により前記照明領域および/または前記アクティブ領域の電流の値および電圧の値の少なくとも1つのアクティブ値、および前記基準領域の電流の値および電圧の値の少なくとも1つの前記基準値を検出するステップと、
前記アクティブ値と前記基準値とを比較するステップと、
前記アクティブ値および前記基準値に基づき、前記照明領域のための前記補正信号を計算する制御回路により、前記照明領域の前記光出力の変化を補償するよう、前記比較に応答して補正信号を発生するステップとを備え、
前記基準領域は、照明プロセス中にオフにスイッチングされ、前記制御回路からの信号に基づいて測定回路で基準値を検出する場合にオンにスイッチングされる
照明デバイスのエージングプロセスを制御するための方法。 - デバイス特性回路が、前記補正信号を決定する請求項7記載の方法。
- 前記デバイス特性回路は、前記補正信号を周期的に決定し、前記照明デバイスの正常な照明中に、前記基準領域はオフにスイッチングされる請求項8記載の方法。
- 請求項1乃至6の何れか1項に記載の照明デバイスによる請求項7乃至9の何れか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05109792.1 | 2005-10-20 | ||
EP05109792 | 2005-10-20 | ||
PCT/IB2006/053716 WO2007046030A1 (en) | 2005-10-20 | 2006-10-10 | Illumination device |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009513012A JP2009513012A (ja) | 2009-03-26 |
JP2009513012A5 JP2009513012A5 (ja) | 2009-11-26 |
JP5118050B2 true JP5118050B2 (ja) | 2013-01-16 |
Family
ID=37770433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008536166A Expired - Fee Related JP5118050B2 (ja) | 2005-10-20 | 2006-10-10 | 照明デバイス |
Country Status (8)
Country | Link |
---|---|
US (1) | US7538306B2 (ja) |
EP (1) | EP1941484B1 (ja) |
JP (1) | JP5118050B2 (ja) |
KR (1) | KR101315088B1 (ja) |
CN (1) | CN101292276B (ja) |
AT (1) | ATE538467T1 (ja) |
TW (1) | TW200729136A (ja) |
WO (1) | WO2007046030A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200950178A (en) * | 2008-01-30 | 2009-12-01 | Koninkl Philips Electronics Nv | OLED lighting device |
TWI398839B (zh) * | 2009-05-27 | 2013-06-11 | Univ Nat Taipei Technology | 主動補償式有機發光面光源系統 |
US8339386B2 (en) | 2009-09-29 | 2012-12-25 | Global Oled Technology Llc | Electroluminescent device aging compensation with reference subpixels |
JP2011243894A (ja) * | 2010-05-21 | 2011-12-01 | Sanken Electric Co Ltd | 有機el照明装置 |
KR20120022411A (ko) * | 2010-09-02 | 2012-03-12 | 삼성모바일디스플레이주식회사 | 표시 장치 및 그 구동 방법 |
KR101991029B1 (ko) * | 2012-08-16 | 2019-06-19 | 엘지이노텍 주식회사 | 조명 제어 시스템 |
JP6091166B2 (ja) * | 2012-11-08 | 2017-03-08 | 株式会社カネカ | 有機el装置 |
KR102260443B1 (ko) * | 2014-10-06 | 2021-06-07 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 구동 방법 |
KR102227636B1 (ko) * | 2014-12-31 | 2021-03-16 | 삼성디스플레이 주식회사 | 표시 장치용 데이터 저장 장치 및 이의 저장 방법 |
EP3076757B1 (en) | 2015-03-30 | 2023-01-04 | OLEDWorks GmbH | Oled device and driving method |
CN105280139B (zh) * | 2015-11-11 | 2018-05-01 | 深圳市华星光电技术有限公司 | Amoled亮度补偿方法及amoled驱动系统 |
CN110808006B (zh) * | 2019-09-06 | 2021-01-15 | 华为技术有限公司 | 一种显示屏老化补偿方法、电路系统、电子设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6081073A (en) | 1995-12-19 | 2000-06-27 | Unisplay S.A. | Matrix display with matched solid-state pixels |
EP1158483A3 (en) | 2000-05-24 | 2003-02-05 | Eastman Kodak Company | Solid-state display with reference pixel |
JP2002162934A (ja) | 2000-09-29 | 2002-06-07 | Eastman Kodak Co | 発光フィードバックのフラットパネルディスプレイ |
US6320325B1 (en) | 2000-11-06 | 2001-11-20 | Eastman Kodak Company | Emissive display with luminance feedback from a representative pixel |
JP2002304155A (ja) * | 2001-01-29 | 2002-10-18 | Semiconductor Energy Lab Co Ltd | 発光装置 |
US20020171611A1 (en) * | 2001-05-15 | 2002-11-21 | Eastman Kodak Company | Active matrix organic light emitting diode flat-panel display |
JP2003043998A (ja) * | 2001-07-30 | 2003-02-14 | Pioneer Electronic Corp | ディスプレイ装置 |
US7274363B2 (en) * | 2001-12-28 | 2007-09-25 | Pioneer Corporation | Panel display driving device and driving method |
US7518621B2 (en) | 2003-03-27 | 2009-04-14 | Sanyo Electric Co., Ltd. | Method of correcting uneven display |
JP2007535728A (ja) * | 2004-02-24 | 2007-12-06 | ニューライト・コーポレイション | フラットパネルディスプレイ用ペンライト・タッチスクリーン・データ入力システムおよび方法 |
-
2006
- 2006-10-10 AT AT06809556T patent/ATE538467T1/de active
- 2006-10-10 JP JP2008536166A patent/JP5118050B2/ja not_active Expired - Fee Related
- 2006-10-10 WO PCT/IB2006/053716 patent/WO2007046030A1/en active Application Filing
- 2006-10-10 KR KR1020087011943A patent/KR101315088B1/ko not_active IP Right Cessation
- 2006-10-10 EP EP06809556A patent/EP1941484B1/en not_active Not-in-force
- 2006-10-10 CN CN2006800389386A patent/CN101292276B/zh not_active Expired - Fee Related
- 2006-10-10 US US12/090,876 patent/US7538306B2/en not_active Expired - Fee Related
- 2006-10-17 TW TW095138264A patent/TW200729136A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP1941484A1 (en) | 2008-07-09 |
WO2007046030A1 (en) | 2007-04-26 |
KR101315088B1 (ko) | 2013-10-07 |
JP2009513012A (ja) | 2009-03-26 |
KR20080064871A (ko) | 2008-07-09 |
CN101292276A (zh) | 2008-10-22 |
CN101292276B (zh) | 2010-12-01 |
EP1941484B1 (en) | 2011-12-21 |
ATE538467T1 (de) | 2012-01-15 |
US7538306B2 (en) | 2009-05-26 |
US20080210847A1 (en) | 2008-09-04 |
TW200729136A (en) | 2007-08-01 |
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