JP4331313B2 - 導光素子及び光源装置 - Google Patents

導光素子及び光源装置 Download PDF

Info

Publication number
JP4331313B2
JP4331313B2 JP10221299A JP10221299A JP4331313B2 JP 4331313 B2 JP4331313 B2 JP 4331313B2 JP 10221299 A JP10221299 A JP 10221299A JP 10221299 A JP10221299 A JP 10221299A JP 4331313 B2 JP4331313 B2 JP 4331313B2
Authority
JP
Japan
Prior art keywords
light
face
guide element
light guide
incident end
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 - Fee Related
Application number
JP10221299A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000294022A5 (enExample
JP2000294022A (ja
Inventor
康博 小池
明広 多加谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Jushi Kogyo Co Ltd
Original Assignee
Nitto Jushi Kogyo Co Ltd
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 Nitto Jushi Kogyo Co Ltd filed Critical Nitto Jushi Kogyo Co Ltd
Priority to JP10221299A priority Critical patent/JP4331313B2/ja
Publication of JP2000294022A publication Critical patent/JP2000294022A/ja
Publication of JP2000294022A5 publication Critical patent/JP2000294022A5/ja
Application granted granted Critical
Publication of JP4331313B2 publication Critical patent/JP4331313B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
JP10221299A 1999-04-09 1999-04-09 導光素子及び光源装置 Expired - Fee Related JP4331313B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10221299A JP4331313B2 (ja) 1999-04-09 1999-04-09 導光素子及び光源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10221299A JP4331313B2 (ja) 1999-04-09 1999-04-09 導光素子及び光源装置

Publications (3)

Publication Number Publication Date
JP2000294022A JP2000294022A (ja) 2000-10-20
JP2000294022A5 JP2000294022A5 (enExample) 2006-05-25
JP4331313B2 true JP4331313B2 (ja) 2009-09-16

Family

ID=14321365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10221299A Expired - Fee Related JP4331313B2 (ja) 1999-04-09 1999-04-09 導光素子及び光源装置

Country Status (1)

Country Link
JP (1) JP4331313B2 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002303866A (ja) * 2001-04-09 2002-10-18 Nitto Denko Corp 反射型液晶表示装置
JP3942538B2 (ja) * 2002-12-16 2007-07-11 富士通化成株式会社 面照明装置と液晶表示装置
US7478942B2 (en) 2003-01-23 2009-01-20 Samsung Electronics Co., Ltd. Light guide plate with light reflection pattern
JP2005099469A (ja) * 2003-09-25 2005-04-14 Seiko Epson Corp 液晶装置及びそれを用いた電子機器
JP4615393B2 (ja) * 2005-08-15 2011-01-19 株式会社フジクラ 帯状光源用導光体の製造方法
JP4694985B2 (ja) * 2006-02-13 2011-06-08 セイコーインスツル株式会社 面発光装置及び表示装置
KR101232059B1 (ko) * 2006-07-27 2013-02-12 삼성디스플레이 주식회사 양면 프리즘 시트 및 이를 가지는 백라이트 어셈블리
JP4717835B2 (ja) * 2007-01-11 2011-07-06 キヤノン株式会社 照明装置及び撮像装置
JP4735852B2 (ja) * 2007-04-05 2011-07-27 市光工業株式会社 車両用前照灯
JP5264313B2 (ja) * 2008-06-18 2013-08-14 帝人株式会社 偏光導光板アセンブリ、及び液晶表示装置
KR101073961B1 (ko) * 2009-05-28 2011-10-17 이만혁 엘이디를 이용한 실내 조명장치
US8251561B2 (en) 2009-06-05 2012-08-28 Sharp Kabushiki Kaisha Light collimating lightguide
JP5189129B2 (ja) * 2010-04-09 2013-04-24 株式会社フジクラ 帯状光源用導光体、帯状光源用導光体を備えた帯状光源、帯状光源を備えた帯状照明装置
JP2014056848A (ja) * 2013-12-25 2014-03-27 Mitsubishi Electric Corp 照明装置及びそれを用いたイメージセンサ
EP3671020A1 (en) 2018-12-18 2020-06-24 Ningbo Geely Automobile Research & Development Co. Ltd. A vehicle lighting system

Also Published As

Publication number Publication date
JP2000294022A (ja) 2000-10-20

Similar Documents

Publication Publication Date Title
JP4156348B2 (ja) 照明装置及びこれをバックライトに用いた表示装置
TW569045B (en) Liquid crystal display panel, liquid crystal display device and composite optical element
JP4331313B2 (ja) 導光素子及び光源装置
US7626655B2 (en) Surface light source device of side light type, liquid crystal display and guide plate
US6241358B1 (en) Tandem lighting panel
TWI235807B (en) Light guiding board, and lighting device, plane light source device and display device using the light guiding board
CN101509618B (zh) 背光单元和使用该背光单元的液晶显示器
US6384881B1 (en) Surface light source device of side light type and liquid crystal display
KR100580358B1 (ko) 도광판, 사이드라이트형 면광원장치 및 액정표시장치
US20040090765A1 (en) Light guide plate for liquid crystal display
CN101661188B (zh) 液晶显示器
US7387422B2 (en) Light-guide plate, backlight assembly having the light-guide plate and display device having the backlight assembly
US7927002B2 (en) Backlight unit and liquid crystal display device comprising the same
WO2011111270A1 (ja) 導光セット、照明装置、および表示装置
CN101680635B (zh) 导光体单元、照明装置和液晶显示装置
JP2000222925A (ja) 面状照明装置
JP2008258146A (ja) 高輝度拡散板
CN101025516A (zh) 背光模组
US20040095740A1 (en) Plane lighting structure for dual displays
JP4553218B2 (ja) 面光源装置
JP2004103411A (ja) 面発光装置及び液晶表示装置
KR100806708B1 (ko) 액정표시장치의 백라이트 유닛
US20060028845A1 (en) Light guide device and backlight module using the same
JPH0854517A (ja) 導光板及びこれを用いた液晶表示装置
KR20030008270A (ko) 액정 표시 장치용 백라이트

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060329

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060329

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080722

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080909

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081110

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090519

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090618

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120626

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130626

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130626

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140626

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees