AT510078A3 - Led ansteuereinheit mit segmentsteuerung - Google Patents

Led ansteuereinheit mit segmentsteuerung Download PDF

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Publication number
AT510078A3
AT510078A3 ATA1511/2010A AT15112010A AT510078A3 AT 510078 A3 AT510078 A3 AT 510078A3 AT 15112010 A AT15112010 A AT 15112010A AT 510078 A3 AT510078 A3 AT 510078A3
Authority
AT
Austria
Prior art keywords
signal
segment
data area
drive unit
group channel
Prior art date
Application number
ATA1511/2010A
Other languages
English (en)
Other versions
AT510078B1 (de
AT510078A2 (de
Inventor
Cheng Jung Lee
Hung Ping Lee
Yang Ci Jheng
Original Assignee
Macroblock Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Macroblock Inc filed Critical Macroblock Inc
Publication of AT510078A2 publication Critical patent/AT510078A2/de
Publication of AT510078A3 publication Critical patent/AT510078A3/de
Application granted granted Critical
Publication of AT510078B1 publication Critical patent/AT510078B1/de

Links

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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Control Of El Displays (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Electronic Switches (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

Eine LED Ansteuereinheit mit Segmentsteuerung zur Ansteuerung einer Vielzahl von, in einem Array angeordneten LEDs. Wenn ein Registerfreigabesignal für die Segmentierung empfangen wird, dann registriert die Ansteuereinheit ein Gruppenkanalsignal in einem Gruppenkanaldatengebiet und registriert den aktuellen Zählerstand in einem Zählerdatengebiet; wenn ein Registerfreigabesignal zur Aktualisierung der Segmentierung empfangen wird, dann aktualisiert die Ansteuereinheit ein Intensitätssignal in einem Pufferschaltkreis durch einen designierten Kanal des Gruppenkanaldatengebiets. Ein Vergleichsschaltkreis gibt ein Ansteuersignal aus, um die LEDs gemäß des registrierten Zählerstands, eines Echtzeitzählerstands und des aktualisierten Intensitätssignals segmentgemäß anzusteuern.
ATA1511/2010A 2010-06-25 2010-09-13 Led ansteuereinheit mit segmentsteuerung AT510078B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW099120904A TWI415519B (zh) 2010-06-25 2010-06-25 A control device for segmented control of a light emitting diode

Publications (3)

Publication Number Publication Date
AT510078A2 AT510078A2 (de) 2012-01-15
AT510078A3 true AT510078A3 (de) 2012-08-15
AT510078B1 AT510078B1 (de) 2012-12-15

Family

ID=45462988

Family Applications (1)

Application Number Title Priority Date Filing Date
ATA1511/2010A AT510078B1 (de) 2010-06-25 2010-09-13 Led ansteuereinheit mit segmentsteuerung

Country Status (4)

Country Link
JP (1) JP5220820B2 (de)
KR (1) KR101188087B1 (de)
AT (1) AT510078B1 (de)
TW (1) TWI415519B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107093400B (zh) * 2017-05-22 2023-10-24 杭州视芯科技股份有限公司 Led显示装置及其驱动方法
CN113450704B (zh) * 2020-10-13 2022-04-19 重庆康佳光电技术研究院有限公司 Led驱动方法、驱动单元、显示装置及可读存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006099997A2 (en) * 2005-03-23 2006-09-28 Sony Ericsson Mobile Communications Ab Electronic device having a light bus for controlling light emitting elements
WO2010004871A1 (ja) * 2008-07-11 2010-01-14 シャープ株式会社 バックライト駆動装置、それを備える表示装置、およびバックライト駆動方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100582402B1 (ko) * 2004-09-10 2006-05-22 매그나칩 반도체 유한회사 패널에서 플리커 프리 디스플레이를 지원하는 메모리읽기/쓰기 타이밍 제어방법 및 그 방법을 이용한 ｔｄｃ패널 구동장치
JP2006245308A (ja) * 2005-03-03 2006-09-14 Fuji Photo Film Co Ltd 光源装置
JP4752400B2 (ja) * 2005-08-31 2011-08-17 ミツミ電機株式会社 負荷駆動装置及び負荷駆動システム
CN201007902Y (zh) * 2007-02-06 2008-01-16 深圳市灵星雨科技开发有限公司 带锁相环的显示单元控制驱动模块
TWI475544B (zh) * 2008-10-24 2015-03-01 Semiconductor Energy Lab 顯示裝置
TWI406589B (zh) * 2008-10-28 2013-08-21 Ind Tech Res Inst Ｌｅｄ光源控制電路與方法，及應用其之影像顯示裝置與照明設備

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006099997A2 (en) * 2005-03-23 2006-09-28 Sony Ericsson Mobile Communications Ab Electronic device having a light bus for controlling light emitting elements
WO2010004871A1 (ja) * 2008-07-11 2010-01-14 シャープ株式会社 バックライト駆動装置、それを備える表示装置、およびバックライト駆動方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MACROBLOCK: "MBI5031 16-Channel PWM Embedded LED Driver", Preliminary Datasheet MBI5031 [online], August 2006 (08.2006) [ermittelt am 4 Mai 2012 (04.05.2012)]. Ermittelt im Internet: , XP002591358 *

Also Published As

Publication number Publication date
TWI415519B (zh) 2013-11-11
AT510078B1 (de) 2012-12-15
KR20120000480A (ko) 2012-01-02
JP2012009404A (ja) 2012-01-12
JP5220820B2 (ja) 2013-06-26
KR101188087B1 (ko) 2012-10-05
AT510078A2 (de) 2012-01-15
TW201201625A (en) 2012-01-01

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