KR20100131848A - 발광 다이오드 구동 장치 - Google Patents
발광 다이오드 구동 장치 Download PDFInfo
- Publication number
- KR20100131848A KR20100131848A KR1020090050657A KR20090050657A KR20100131848A KR 20100131848 A KR20100131848 A KR 20100131848A KR 1020090050657 A KR1020090050657 A KR 1020090050657A KR 20090050657 A KR20090050657 A KR 20090050657A KR 20100131848 A KR20100131848 A KR 20100131848A
- Authority
- KR
- South Korea
- Prior art keywords
- transformer
- secondary side
- light emitting
- emitting diode
- primary side
- Prior art date
Links
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Classifications
-
- 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- 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]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090050657A KR101020728B1 (ko) | 2009-06-08 | 2009-06-08 | 발광 다이오드 구동 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090050657A KR101020728B1 (ko) | 2009-06-08 | 2009-06-08 | 발광 다이오드 구동 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100131848A true KR20100131848A (ko) | 2010-12-16 |
KR101020728B1 KR101020728B1 (ko) | 2011-03-09 |
Family
ID=43507744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090050657A KR101020728B1 (ko) | 2009-06-08 | 2009-06-08 | 발광 다이오드 구동 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101020728B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109215587A (zh) * | 2018-11-02 | 2019-01-15 | 厦门天马微电子有限公司 | 一种显示装置、驱动方法及电子设备 |
WO2021184202A1 (zh) * | 2020-03-17 | 2021-09-23 | 京东方科技集团股份有限公司 | 发光基板及其驱动方法、显示装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200307889Y1 (ko) * | 2002-08-16 | 2003-03-19 | 채현철 | Led램프 모순검지 및 표시장치 |
KR200372240Y1 (ko) * | 2004-10-11 | 2005-01-10 | 김봉수 | 전원 안정화수단을 내장한 매립형 발광다이오드 투광등시스템 |
KR100877884B1 (ko) * | 2007-06-14 | 2009-01-08 | 엘지이노텍 주식회사 | 램프 구동 제어 장치 및 그 제어방법 |
KR101255276B1 (ko) * | 2006-09-12 | 2013-04-15 | 엘지디스플레이 주식회사 | 백 라이트 유닛과 이를 이용한 액정 표시장치 |
-
2009
- 2009-06-08 KR KR1020090050657A patent/KR101020728B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109215587A (zh) * | 2018-11-02 | 2019-01-15 | 厦门天马微电子有限公司 | 一种显示装置、驱动方法及电子设备 |
WO2021184202A1 (zh) * | 2020-03-17 | 2021-09-23 | 京东方科技集团股份有限公司 | 发光基板及其驱动方法、显示装置 |
US11651743B2 (en) | 2020-03-17 | 2023-05-16 | Boe Technology Group Co., Ltd. | Light emitting substrate, method of driving light emitting substrate, and display device |
US11881184B2 (en) | 2020-03-17 | 2024-01-23 | Boe Technology Group Co., Ltd. | Light emitting substrate, method of driving light emitting substrate, and display device |
Also Published As
Publication number | Publication date |
---|---|
KR101020728B1 (ko) | 2011-03-09 |
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