WO2008096701A1 - 電子装置及び電子装置の発光制御方法 - Google Patents

電子装置及び電子装置の発光制御方法 Download PDF

Info

Publication number
WO2008096701A1
WO2008096701A1 PCT/JP2008/051754 JP2008051754W WO2008096701A1 WO 2008096701 A1 WO2008096701 A1 WO 2008096701A1 JP 2008051754 W JP2008051754 W JP 2008051754W WO 2008096701 A1 WO2008096701 A1 WO 2008096701A1
Authority
WO
WIPO (PCT)
Prior art keywords
light emission
electronic device
vth
emission unit
electrons
Prior art date
Application number
PCT/JP2008/051754
Other languages
English (en)
French (fr)
Inventor
Masahiro Adachi
Yutaka Hashimoto
Katsuhisa Kanzaki
Tomoki Abe
Hirofumi Kasada
Koshi Ando
Original Assignee
Tottori University
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 Tottori University filed Critical Tottori University
Priority to EP08710733.0A priority Critical patent/EP2110865A4/en
Priority to US11/992,592 priority patent/US7960918B2/en
Priority to JP2008530671A priority patent/JPWO2008096701A1/ja
Publication of WO2008096701A1 publication Critical patent/WO2008096701A1/ja

Links

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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules

Abstract

　電子と正孔の再結合を利用して発光する発光部を備えた電子装置及び電子装置の発光制御方法において、発光部を長寿命化した電子装置及び電子装置の発光制御方法を提供する。 　電子と正孔の再結合を利用して発光する発光部と、この発光部に、0.7以上で1.0よりも小さいデューティ比としたパルス状の駆動信号を入力して発光部を断続的に発光させる駆動部とを有する電子装置及び電子装置の発光制御方法であって、電子濃度をｎ、正孔濃度をｐ、電子の熱速度をvth:n、正孔の熱速度をvth:p、発光部に存在する欠陥準位の電子に対する捕獲断面積をσn、発光部に存在する欠陥準位の正孔に対する捕獲断面積をσp、駆動信号のパルス幅をＷとして、駆動部によって、 　　Ｗ＜１／｛ｎ・vth:n・σn・ｐ・vth:p・σp／（ｎ・vth:n・σn＋ｐ・vth:p・σp）｝ を満たすパルス幅Ｗの駆動信号を発光部に入力させる。
PCT/JP2008/051754 2007-02-04 2008-02-04 電子装置及び電子装置の発光制御方法 WO2008096701A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08710733.0A EP2110865A4 (en) 2007-02-04 2008-02-04 ELECTRONIC DEVICE AND ELECTRONIC DEVICE WITH LIGHT OUTPUT CONTROL METHOD
US11/992,592 US7960918B2 (en) 2007-02-04 2008-02-04 Electronic device and light emission control method for electronic device
JP2008530671A JPWO2008096701A1 (ja) 2007-02-04 2008-02-04 電子装置及び電子装置の発光制御方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-024939 2007-02-04
JP2007024939 2007-02-04

Publications (1)

Publication Number Publication Date
WO2008096701A1 true WO2008096701A1 (ja) 2008-08-14

Family

ID=39608143

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051754 WO2008096701A1 (ja) 2007-02-04 2008-02-04 電子装置及び電子装置の発光制御方法

Country Status (5)

Country Link
US (1) US7960918B2 (ja)
EP (1) EP2110865A4 (ja)
JP (2) JP4107513B1 (ja)
AU (1) AU2008201414A1 (ja)
WO (1) WO2008096701A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012524400A (ja) * 2009-04-20 2012-10-11 アプライド マテリアルズ インコーポレイテッド Ｌｅｄ基板処理

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5056549B2 (ja) * 2008-04-04 2012-10-24 日亜化学工業株式会社 光半導体素子の寿命予測方法および光半導体素子の駆動装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5809052A (en) * 1995-06-06 1998-09-15 Fuji Xerox Co., Ltd. Semiconductor laser array driving method, semiconductor laser array driving device and image forming apparatus
JP2000133873A (ja) * 1998-10-23 2000-05-12 Sony Corp パルス駆動発光素子

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105429A (en) * 1990-07-06 1992-04-14 The United States Of America As Represented By The Department Of Energy Modular package for cooling a laser diode array
US5844288A (en) * 1994-07-06 1998-12-01 The Regents Of The University Of Michigan Photoconductive element and method for measuring high frequency signals
JPH0952389A (ja) 1995-06-06 1997-02-25 Fuji Xerox Co Ltd 半導体レーザアレイ駆動方法および装置、並びに画像形成装置
US6239453B1 (en) * 1996-06-19 2001-05-29 Matsushita Electric Industrial Co., Ltd. Optoelectronic material, device using the same, and method for manufacturing optoelectronic material
US5936986A (en) * 1996-07-30 1999-08-10 Bayer Corporation Methods and apparatus for driving a laser diode
JP4197814B2 (ja) * 1999-11-12 2008-12-17 シャープ株式会社 Ｌｅｄ駆動方法およびｌｅｄ装置と表示装置
TW493152B (en) * 1999-12-24 2002-07-01 Semiconductor Energy Lab Electronic device
US7129918B2 (en) * 2000-03-10 2006-10-31 Semiconductor Energy Laboratory Co., Ltd. Electronic device and method of driving electronic device
EP1575019B1 (en) 2002-12-19 2013-10-16 Semiconductor Energy Laboratory Co., Ltd. Driving method for light emitting device, and electronic equipment
JP4279698B2 (ja) * 2004-01-30 2009-06-17 シャープ株式会社 Ｌｅｄ素子の駆動方法及び駆動装置、照明装置並びに表示装置
US7483458B2 (en) * 2006-10-16 2009-01-27 Corning Incorporated Wavelength control in semiconductor lasers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5809052A (en) * 1995-06-06 1998-09-15 Fuji Xerox Co., Ltd. Semiconductor laser array driving method, semiconductor laser array driving device and image forming apparatus
JP2000133873A (ja) * 1998-10-23 2000-05-12 Sony Corp パルス駆動発光素子

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2110865A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012524400A (ja) * 2009-04-20 2012-10-11 アプライド マテリアルズ インコーポレイテッド Ｌｅｄ基板処理

Also Published As

Publication number Publication date
US7960918B2 (en) 2011-06-14
JP4107513B1 (ja) 2008-06-25
US20100156311A1 (en) 2010-06-24
EP2110865A4 (en) 2014-04-16
EP2110865A1 (en) 2009-10-21
JPWO2008096701A1 (ja) 2010-05-20
AU2008201414A1 (en) 2008-08-21
JP2008211160A (ja) 2008-09-11

Similar Documents

Publication Publication Date Title
WO2008153055A1 (ja) 表示装置、映像信号処理方法、およびプログラム
EP2093749A3 (en) Organic light emitting diode display and method of driving the same
AU2003201751A1 (en) Switching device for driving a led array
TW200703209A (en) Pixel circuit, display and driving method thereof
US9390880B2 (en) Method for driving multi electric field emission devices and multi electric field emission system
TW200746924A (en) Operating solid-state lighting elements
DE60301563D1 (de) Feldemissionsröntgenapparat mit stromsteuerung und zugehöriges verfahren
EP1806724A3 (en) Semiconductor device, display device and electronic device
TW200607849A (en) Asymmetric pyrene derivative and organic electroluminescence device employing the same
TW200642877A (en) Kfz-scheinwerfer
EP1763003A3 (en) Emission control line driver and organic light emitting display using the emission control line driver
TW200644307A (en) Semiconductor device, and display device, driving method and electronic apparatus thereof
TW200612373A (en) Driving an active matrix display
EP1722600A3 (en) Dedicated LED airfield system architectures
TW200639786A (en) Light-emitting device, image forming apparatus, and electronic apparatus
EP2146134A3 (en) Light emitting device and method for producing the light emitting device
EP1968133A3 (en) Organic light emitting display device and method of fabricating the same
TW200633251A (en) Driving circuit and method of tuning a driving voltage of a light-emitting device through a feedback mechanism
EP2605401A3 (en) Apparatus and method having reduced flicker noise
WO2005089288A3 (en) Driver and drive method for organic bistable electrical device and organic led display
JP2017527114A5 (ja)
WO2008096701A1 (ja) 電子装置及び電子装置の発光制御方法
TW200733440A (en) Light emitting element, light emitting device, and electronic apparatus
TW200802279A (en) Organic light emitting diode display device and driving method thereof
WO2008020366A3 (en) Method of driving a discharge lamp, driving arrangement, an projector system

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 2008710733

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 11992592

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2008201414

Country of ref document: AU

WWE Wipo information: entry into national phase

Ref document number: 2008530671

Country of ref document: JP

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08710733

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE