TWM388660U - Light diffusion plate and direct type point light source backlight device - Google Patents

Light diffusion plate and direct type point light source backlight device

Info

Publication number
TWM388660U
TWM388660U TW098219188U TW98219188U TWM388660U TW M388660 U TWM388660 U TW M388660U TW 098219188 U TW098219188 U TW 098219188U TW 98219188 U TW98219188 U TW 98219188U TW M388660 U TWM388660 U TW M388660U
Authority
TW
Taiwan
Prior art keywords
diffusion plate
backlight device
direct type
light source
type point
Prior art date
Application number
TW098219188U
Other languages
English (en)
Inventor
Tomofumi Maekawa
Original Assignee
Asahi Kasei E-Materials Corp
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 Asahi Kasei E-Materials Corp filed Critical Asahi Kasei E-Materials Corp
Publication of TWM388660U publication Critical patent/TWM388660U/zh

Links

TW098219188U 2008-10-16 2009-10-16 Light diffusion plate and direct type point light source backlight device TWM388660U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008267714 2008-10-16
JP2009209674A JP2010117707A (ja) 2008-10-16 2009-09-10 光拡散板及び直下型点光源バックライト装置

Publications (1)

Publication Number Publication Date
TWM388660U true TWM388660U (en) 2010-09-11

Family

ID=42305383

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098219188U TWM388660U (en) 2008-10-16 2009-10-16 Light diffusion plate and direct type point light source backlight device

Country Status (3)

Country Link
JP (2) JP2010117707A (zh)
CN (1) CN201795425U (zh)
TW (1) TWM388660U (zh)

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TWI815525B (zh) * 2021-07-06 2023-09-11 日商惠和股份有限公司 光學片積層體、背光單元、液晶顯示裝置、資訊設備、以及背光單元之製造方法
TWI819681B (zh) * 2021-07-06 2023-10-21 日商惠和股份有限公司 光學片積層體、背光單元、液晶顯示裝置、資訊設備、以及背光單元之製造方法

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WO2012086623A1 (ja) * 2010-12-24 2012-06-28 日本ゼオン株式会社 発光素子
TWI453927B (zh) 2011-06-29 2014-09-21 Ind Tech Res Inst 多重反射結構以及光電元件
CN202209593U (zh) * 2011-09-08 2012-05-02 深圳市华星光电技术有限公司 一种led背光模组及液晶显示装置
TW201317630A (zh) * 2011-10-21 2013-05-01 Ledlink Optics Inc 光學透鏡之出光面結構
JP2013225058A (ja) * 2012-04-23 2013-10-31 Asahi Kasei E-Materials Corp 光学板及び直下型点光源バックライト装置
JP6676872B2 (ja) * 2014-09-10 2020-04-08 凸版印刷株式会社 Ｅｌ素子、照明装置、ディスプレイ装置、および液晶ディスプレイ装置
CN105891934A (zh) * 2014-09-15 2016-08-24 博昱科技（丹阳）有限公司 导光片、背光源装置及液晶显示装置
CN104728671A (zh) * 2015-02-09 2015-06-24 中南民族大学 一种led点阵背光装置及其背光产生方法
JP6665690B2 (ja) * 2016-05-31 2020-03-13 日亜化学工業株式会社 照明装置
WO2019014867A1 (zh) 2017-07-19 2019-01-24 瑞仪(广州)光电子器件有限公司 光学透镜、背光模组及显示装置
US11287693B2 (en) 2017-10-06 2022-03-29 Dexerials Corporation Optical body, method for manufacturing optical body, light-emitting apparatus, and display apparatus for amusement equipment
JP7436369B2 (ja) 2018-01-30 2024-02-21 ブライト ヴュー テクノロジーズ インク ランバート分布を有する光をバットウィング分布に変換するマイクロ構造
CN110018535A (zh) * 2019-03-31 2019-07-16 湖南凯星电子科技有限公司 一种背光源的光扩散板
CN111435205A (zh) * 2019-06-28 2020-07-21 宁波激智科技股份有限公司 一种新型四棱锥增亮膜及其制备方法
US11822158B2 (en) 2019-09-11 2023-11-21 Brightview Technologies, Inc. Back light unit for backlit displays
JP6843400B1 (ja) * 2019-10-18 2021-03-17 大塚テクノ株式会社 反射防止構造体
US11531232B2 (en) 2020-01-24 2022-12-20 Brightview Technologies, Inc. Optical film for back light unit and back light unit including same
JP7368430B2 (ja) * 2020-12-01 2023-10-24 恵和株式会社 光拡散シート、バックライトユニット、液晶表示装置、情報機器、及び光拡散シートの製造方法
EP4246192A4 (en) 2020-12-01 2024-05-29 Keiwa Incorporated LIGHT DIFFUSION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, INFORMATION APPARATUS, AND METHOD FOR MANUFACTURING LIGHT DIFFUSION SHEET
CN113325494A (zh) * 2021-01-25 2021-08-31 深圳市隆利科技股份有限公司 一种增强反射的光学膜片及应用其的直下式背光模组
TW202335830A (zh) 2021-11-02 2023-09-16 日商惠和股份有限公司 光擴散片、背光單元、液晶顯示裝置、資訊機器以及光擴散片的製造方法
JP7503091B2 (ja) * 2021-11-02 2024-06-19 恵和株式会社 光拡散シート、バックライトユニット、液晶表示装置、情報機器、及び光拡散シートの製造方法
JP7389296B1 (ja) * 2022-05-27 2023-11-29 恵和株式会社 光拡散シート、バックライトユニット、液晶表示装置、情報機器、及び光拡散シートの製造方法
CN116312279B (zh) * 2023-05-22 2023-10-31 武汉华星光电技术有限公司 一种灯板及显示面板

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JPH03114467U (zh) * 1990-03-09 1991-11-25
CN1942788A (zh) * 2004-02-26 2007-04-04 他喜龙株式会社 光扩散片和使用该光扩散片的背光单元
US7699503B2 (en) * 2004-03-03 2010-04-20 Kimoto Co., Ltd. Light control film and backlight unit using the same
JP4425164B2 (ja) * 2004-04-12 2010-03-03 株式会社クラレ 照明装置およびこれを用いた画像表示装置
JP3875247B2 (ja) * 2004-09-27 2007-01-31 株式会社エンプラス 発光装置、面光源装置、表示装置及び光束制御部材
JP4650085B2 (ja) * 2005-04-27 2011-03-16 ソニー株式会社 バックライト装置及び液晶表示装置
JP3114467U (ja) * 2005-07-07 2005-10-27 科橋電子股▲ふん▼有限公司 直下型バックライトモジュールのライトガイド構造
KR20090014261A (ko) * 2006-03-31 2009-02-09 니폰 제온 가부시키가이샤 직하형 백라이트 장치
KR20090075666A (ko) * 2006-08-29 2009-07-08 다키론가부시키가이샤 광 확산 시트 및 백라이트 유닛

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI815525B (zh) * 2021-07-06 2023-09-11 日商惠和股份有限公司 光學片積層體、背光單元、液晶顯示裝置、資訊設備、以及背光單元之製造方法
TWI819681B (zh) * 2021-07-06 2023-10-21 日商惠和股份有限公司 光學片積層體、背光單元、液晶顯示裝置、資訊設備、以及背光單元之製造方法

Also Published As

Publication number Publication date
CN201795425U (zh) 2011-04-13
JP2010117707A (ja) 2010-05-27
JP2011076115A (ja) 2011-04-14

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Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees