JP4377754B2 - 面光源装置及び液晶表示装置 - Google Patents

面光源装置及び液晶表示装置 Download PDF

Info

Publication number
JP4377754B2
JP4377754B2 JP2004176864A JP2004176864A JP4377754B2 JP 4377754 B2 JP4377754 B2 JP 4377754B2 JP 2004176864 A JP2004176864 A JP 2004176864A JP 2004176864 A JP2004176864 A JP 2004176864A JP 4377754 B2 JP4377754 B2 JP 4377754B2
Authority
JP
Japan
Prior art keywords
light
light guide
liquid crystal
light source
optical sheet
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
JP2004176864A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006004651A (ja
JP2006004651A5 (cg-RX-API-DMAC10.html
Inventor
隆義 塚本
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.)
Japan Display Central Inc
Original Assignee
Toshiba Mobile Display 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 Toshiba Mobile Display Co Ltd filed Critical Toshiba Mobile Display Co Ltd
Priority to JP2004176864A priority Critical patent/JP4377754B2/ja
Priority to TW094119309A priority patent/TW200609564A/zh
Priority to US11/150,275 priority patent/US7293905B2/en
Priority to KR1020050051183A priority patent/KR100724647B1/ko
Publication of JP2006004651A publication Critical patent/JP2006004651A/ja
Publication of JP2006004651A5 publication Critical patent/JP2006004651A5/ja
Application granted granted Critical
Publication of JP4377754B2 publication Critical patent/JP4377754B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2004176864A 2004-06-15 2004-06-15 面光源装置及び液晶表示装置 Expired - Fee Related JP4377754B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004176864A JP4377754B2 (ja) 2004-06-15 2004-06-15 面光源装置及び液晶表示装置
TW094119309A TW200609564A (en) 2004-06-15 2005-06-10 Area light source device and liquid crystal display apparatus
US11/150,275 US7293905B2 (en) 2004-06-15 2005-06-13 Area light source device and liquid crystal display apparatus
KR1020050051183A KR100724647B1 (ko) 2004-06-15 2005-06-15 면 광원 장치와 액정 표시 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004176864A JP4377754B2 (ja) 2004-06-15 2004-06-15 面光源装置及び液晶表示装置

Publications (3)

Publication Number Publication Date
JP2006004651A JP2006004651A (ja) 2006-01-05
JP2006004651A5 JP2006004651A5 (cg-RX-API-DMAC10.html) 2007-07-19
JP4377754B2 true JP4377754B2 (ja) 2009-12-02

Family

ID=35460331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004176864A Expired - Fee Related JP4377754B2 (ja) 2004-06-15 2004-06-15 面光源装置及び液晶表示装置

Country Status (4)

Country Link
US (1) US7293905B2 (cg-RX-API-DMAC10.html)
JP (1) JP4377754B2 (cg-RX-API-DMAC10.html)
KR (1) KR100724647B1 (cg-RX-API-DMAC10.html)
TW (1) TW200609564A (cg-RX-API-DMAC10.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6354207B2 (ja) * 2014-02-28 2018-07-11 大日本印刷株式会社 反射シート、面光源装置、透過型表示装置
CN107111183A (zh) 2014-12-18 2017-08-29 堺显示器制品株式会社 显示装置
CN106801801A (zh) * 2017-03-24 2017-06-06 昆山市见兴电子材料有限公司 Led平面光源

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3682313B2 (ja) * 1995-03-08 2005-08-10 日東樹脂工業株式会社 面光源装置及び液晶ディスプレイ
TW331593B (en) 1996-05-13 1998-05-11 Konika Co Ltd Planer light source device and light guide plate
JP2000082313A (ja) * 1998-09-08 2000-03-21 Enplas Corp サイドライト型面光源装置及び液晶表示装置
JP3839998B2 (ja) * 1998-10-28 2006-11-01 シャープ株式会社 バックライト
US6683720B2 (en) 2000-12-14 2004-01-27 Mitsui Chemicals, Inc. Reflector, sidelight type backlighting apparatus and reflector substrate
JP4681791B2 (ja) * 2002-08-22 2011-05-11 恵和株式会社 反射シート及びこれを用いたバックライトユニット
JP2004012591A (ja) 2002-06-04 2004-01-15 Mitsui Chemicals Inc サイドライト型バックライト装置および液晶表示装置

Also Published As

Publication number Publication date
JP2006004651A (ja) 2006-01-05
KR100724647B1 (ko) 2007-06-04
KR20060049596A (ko) 2006-05-19
TW200609564A (en) 2006-03-16
US7293905B2 (en) 2007-11-13
US20050276070A1 (en) 2005-12-15

Similar Documents

Publication Publication Date Title
US7270466B2 (en) Reflector for back light assembly and back light assembly using the same
US8556491B2 (en) Backlight assembly having a plurality of light guide plates
US7808576B2 (en) Liquid crystal display device
US8734001B2 (en) Backlight assembly including a light source cover including a sidewall cover portion which contacts with an exterior surface of a sidewall of a receiving container and a light source cover portion which covers a light source and a portion of the exiting surface of a light guide plate, display device having the same and method of assembling the display device
US10424691B2 (en) Display apparatus having quantum dot unit or quantum dot sheet and method for manufacturing quantum dot unit
JP5142495B2 (ja) 液晶表示装置
CN101004517A (zh) 面状光源装置
US8672530B2 (en) Display device
JP2019185921A (ja) 照明装置及びそれを備えた表示装置
JP2006310221A (ja) エッジ入力型バックライト及び液晶表示装置
US20060291250A1 (en) Backlight module
CN1806146B (zh) 表面光源装置
KR20150001155A (ko) 액정표시소자
JP4379077B2 (ja) バックライトユニット及び液晶表示装置
JP2006004651A (ja) 面光源装置及び液晶表示装置
JP2010113982A (ja) 液晶表示装置
JP4618380B2 (ja) バックライトユニット及び液晶表示装置
KR102533213B1 (ko) 액정표시장치
JP2007059168A (ja) バックライト
JP4438539B2 (ja) 表示装置および面状光源装置
JP2005011549A (ja) 面光源装置
KR20070002876A (ko) 액정표시모듈
JP2006155929A (ja) 面光源装置及び液晶表示装置
JP2005347272A (ja) 背面光源の製造方法およびそれを用いた表示装置の製造方法
JP2020008297A (ja) 車両用表示装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070604

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070604

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090528

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: 20090818

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: 20090911

R150 Certificate of patent or registration of utility model

Ref document number: 4377754

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

Free format text: PAYMENT UNTIL: 20120918

Year of fee payment: 3

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

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

Free format text: PAYMENT UNTIL: 20120918

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

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

Free format text: PAYMENT UNTIL: 20120918

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

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

Free format text: PAYMENT UNTIL: 20120918

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20130918

Year of fee payment: 4

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

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

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

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