CN112908249B - 一种led芯片及led芯片的级联系统 - Google Patents
一种led芯片及led芯片的级联系统 Download PDFInfo
- Publication number
- CN112908249B CN112908249B CN202110335941.0A CN202110335941A CN112908249B CN 112908249 B CN112908249 B CN 112908249B CN 202110335941 A CN202110335941 A CN 202110335941A CN 112908249 B CN112908249 B CN 112908249B
- Authority
- CN
- China
- Prior art keywords
- pin
- led chip
- current
- group
- field effect
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000005669 field effect Effects 0.000 claims description 112
- 238000000034 method Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 11
- 238000012358 sourcing Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 16
- 238000005034 decoration Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
Images
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]
-
- 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]
- H05B45/30—Driver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110184626 | 2021-02-10 | ||
CN2021101846262 | 2021-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112908249A CN112908249A (zh) | 2021-06-04 |
CN112908249B true CN112908249B (zh) | 2022-01-25 |
Family
ID=76109314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110335941.0A Active CN112908249B (zh) | 2021-02-10 | 2021-03-29 | 一种led芯片及led芯片的级联系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112908249B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201928475U (zh) * | 2010-06-02 | 2011-08-10 | 上海芯龙半导体有限公司 | 具有升压和升降压功能的大功率led灯驱动单片集成电路 |
CN103917011A (zh) * | 2013-10-22 | 2014-07-09 | 新乡学院 | 一种具有软启动模块的白光led驱动系统 |
CN105072757A (zh) * | 2015-08-03 | 2015-11-18 | 深圳市明微电子股份有限公司 | 驱动芯片、led恒流驱动电路及其控制方法 |
CN105792410A (zh) * | 2016-03-03 | 2016-07-20 | 深圳市质能达微电子科技有限公司 | 电源传输路径与数据传输路径分离的led驱动系统 |
CN205510476U (zh) * | 2016-03-25 | 2016-08-24 | 深圳太清微电子科技有限公司 | Led驱动芯片 |
CN205566730U (zh) * | 2016-03-25 | 2016-09-07 | 深圳太清微电子科技有限公司 | Led驱动芯片 |
CN210575030U (zh) * | 2019-08-26 | 2020-05-19 | 深圳市好的照明有限公司 | 一种双线级联led驱动电路 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8203276B2 (en) * | 2008-11-28 | 2012-06-19 | Lightech Electronic Industries Ltd. | Phase controlled dimming LED driver system and method thereof |
US10098197B2 (en) * | 2011-06-03 | 2018-10-09 | Cree, Inc. | Lighting devices with individually compensating multi-color clusters |
-
2021
- 2021-03-29 CN CN202110335941.0A patent/CN112908249B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201928475U (zh) * | 2010-06-02 | 2011-08-10 | 上海芯龙半导体有限公司 | 具有升压和升降压功能的大功率led灯驱动单片集成电路 |
CN103917011A (zh) * | 2013-10-22 | 2014-07-09 | 新乡学院 | 一种具有软启动模块的白光led驱动系统 |
CN105072757A (zh) * | 2015-08-03 | 2015-11-18 | 深圳市明微电子股份有限公司 | 驱动芯片、led恒流驱动电路及其控制方法 |
CN105792410A (zh) * | 2016-03-03 | 2016-07-20 | 深圳市质能达微电子科技有限公司 | 电源传输路径与数据传输路径分离的led驱动系统 |
CN205510476U (zh) * | 2016-03-25 | 2016-08-24 | 深圳太清微电子科技有限公司 | Led驱动芯片 |
CN205566730U (zh) * | 2016-03-25 | 2016-09-07 | 深圳太清微电子科技有限公司 | Led驱动芯片 |
CN210575030U (zh) * | 2019-08-26 | 2020-05-19 | 深圳市好的照明有限公司 | 一种双线级联led驱动电路 |
Also Published As
Publication number | Publication date |
---|---|
CN112908249A (zh) | 2021-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101916962B (zh) | 均流合成式大功率恒流电源电路 | |
CN102208898B (zh) | 差动放大电路 | |
CN104571253B (zh) | 稳压器及其控制方法 | |
US20110115405A1 (en) | Illumination circuit having bypass circuit controllable according to voltage change of series circuit thereof | |
CN207559895U (zh) | 一种驱动装置和电机驱动电路 | |
CN114420057A (zh) | 一种背光电源、显示装置及电子设备 | |
CN114637359A (zh) | 修调电路、驱动装置、芯片和电子设备 | |
CN102118904B (zh) | Led照明系统及其控制方法 | |
CN112908249B (zh) | 一种led芯片及led芯片的级联系统 | |
CN102448221A (zh) | 电压选择电路、二极管驱动电路及二极管通道驱动方法 | |
CN201663546U (zh) | 一种多电源上电顺序控制装置及系统 | |
CN115397063B (zh) | 一种miniLED驱动电路 | |
WO2020000951A1 (zh) | 延长PMC芯片寿命的供电电路及Expander背板 | |
WO2012139293A1 (zh) | 一种led发光装置 | |
CN206948664U (zh) | Led驱动电路及液晶显示装置 | |
US20240013706A1 (en) | Led panel and driving method thereof | |
JP4899081B2 (ja) | 駆動回路 | |
CN209297728U (zh) | 一种自动匹配段位亮度的led显示字符驱动电路 | |
CN207182880U (zh) | Led显示面板的驱动集成电路、封装组件以及led显示面板 | |
CN215935137U (zh) | 驱动电路及照明设备 | |
CN207573659U (zh) | 一种用于车灯的led保护电路 | |
US20090284447A1 (en) | Plasma display apparatus | |
CN102264166B (zh) | Led输出驱动电路结构及为led提供驱动电流的方法 | |
CN105101553B (zh) | Led驱动电路及使用该驱动电路的led驱动系统 | |
CN219164436U (zh) | 一种单恒流源驱动控制电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: 518000 East, floor 4, building 4, Shenzhen Software Park, No. 2, Gaoxin Zhonger Road, Maling community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: SHENZHEN MEIXI MICRO SEMICONDUCTOR CO.,LTD. Address before: 14F, xinhaofang building, 10188 Shennan Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN MEIXI MICRO SEMICONDUCTOR CO.,LTD. |
|
CP02 | Change in the address of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Cascade System of LED Chip and LED Chip Effective date of registration: 20230310 Granted publication date: 20220125 Pledgee: China Construction Bank Co.,Ltd. Shenzhen Branch Pledgor: SHENZHEN MEIXI MICRO SEMICONDUCTOR CO.,LTD. Registration number: Y2023980034588 |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518000 East, floor 4, building 4, Shenzhen Software Park, No. 2, Gaoxin Zhonger Road, Maling community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Meisi Micro Semiconductor Co.,Ltd. Address before: 518000 East, floor 4, building 4, Shenzhen Software Park, No. 2, Gaoxin Zhonger Road, Maling community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN MEIXI MICRO SEMICONDUCTOR CO.,LTD. |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231227 Granted publication date: 20220125 Pledgee: China Construction Bank Co.,Ltd. Shenzhen Branch Pledgor: SHENZHEN MEIXI MICRO SEMICONDUCTOR CO.,LTD. Registration number: Y2023980034588 |