CN1205844C - 掌上型电子产品背光的驱动及控制装置 - Google Patents
掌上型电子产品背光的驱动及控制装置 Download PDFInfo
- Publication number
- CN1205844C CN1205844C CNB011159480A CN01115948A CN1205844C CN 1205844 C CN1205844 C CN 1205844C CN B011159480 A CNB011159480 A CN B011159480A CN 01115948 A CN01115948 A CN 01115948A CN 1205844 C CN1205844 C CN 1205844C
- Authority
- CN
- China
- Prior art keywords
- electronic products
- hand
- held electronic
- backlight
- control
- 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
Links
Images
Classifications
-
- 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB011159480A CN1205844C (zh) | 2001-06-06 | 2001-06-06 | 掌上型电子产品背光的驱动及控制装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB011159480A CN1205844C (zh) | 2001-06-06 | 2001-06-06 | 掌上型电子产品背光的驱动及控制装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1390084A CN1390084A (zh) | 2003-01-08 |
CN1205844C true CN1205844C (zh) | 2005-06-08 |
Family
ID=4662295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011159480A Expired - Lifetime CN1205844C (zh) | 2001-06-06 | 2001-06-06 | 掌上型电子产品背光的驱动及控制装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1205844C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102044201B (zh) * | 2009-10-14 | 2020-05-15 | 三竹资讯股份有限公司 | 行动设备屏幕恒亮显示的装置与方法 |
CN108877688A (zh) | 2017-05-12 | 2018-11-23 | 京东方科技集团股份有限公司 | 背光亮度控制方法及装置 |
-
2001
- 2001-06-06 CN CNB011159480A patent/CN1205844C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1390084A (zh) | 2003-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201114961Y (zh) | 光控调光器 | |
CN104902653A (zh) | 一种led恒压调光电源及led灯具调光系统 | |
CN105764185A (zh) | 交流驱动混合调光电路和电视机 | |
CN101430863B (zh) | Led背光源驱动电路 | |
TW200822800A (en) | Light emitting diode driver and display using the same | |
CN106328088A (zh) | 一种驱动电路、驱动方法以及半反半透液晶显示器 | |
US20120153856A1 (en) | Driving device of light emitting diode and lighting apparatus using the same | |
CN108882442A (zh) | 背光源、背光源的控制方法和显示装置 | |
CN1205844C (zh) | 掌上型电子产品背光的驱动及控制装置 | |
CN202334999U (zh) | 一种led驱动装置 | |
CN1968559A (zh) | Led串的串行供电电路及方法 | |
CN101770751A (zh) | 液晶显示器背光模组亮度调节系统及方法 | |
CN109618460A (zh) | 一种led灯的控制系统及方法 | |
CN100481188C (zh) | 背光驱动电路 | |
CN111210779B (zh) | 一种液晶模组及驱动方法 | |
CN208175054U (zh) | 一种开关逻辑控制led驱动器 | |
CN102811540A (zh) | 适用于大功率背光led驱动器的pwm调光控制电路 | |
CN2795896Y (zh) | 具有感光反馈功能的投影机 | |
CN211429572U (zh) | 一种用于升压恒流调光电路的调光深度控制电路 | |
CN114390756A (zh) | 一种led照明灯智能驱动控制器 | |
CN208572515U (zh) | 光源线性调节装置 | |
CN100341385C (zh) | 驱动放电灯管及其调光控制装置 | |
CN102568385A (zh) | 驱动装置、发光二极管驱动装置及其驱动方法 | |
CN206728345U (zh) | 一种经济型led拨码驱动电源的调光电路 | |
CN204721683U (zh) | 一种led恒压调光电源及led灯具调光系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LIANXIANG (BEIJING) CO. LTD.; HUMANTEC INDUSTRIAL Free format text: FORMER OWNER: LIANXIANG (BEIJING) CO. LTD. Effective date: 20080704 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080704 Address after: No. 6, Pioneer Road, Beijing, Haidian District: 100085 Co-patentee after: Lenovo Mobile Communication Technology Ltd. Patentee after: Lenovo (Beijing) Co., Ltd. Address before: No. 6, Pioneer Road, Haidian District information industry base, Beijing, China: 100085 Patentee before: Lenovo (Beijing) Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20050608 |
|
CX01 | Expiry of patent term |