JP2009087916A5 - - Google Patents
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- JP2009087916A5 JP2009087916A5 JP2008044691A JP2008044691A JP2009087916A5 JP 2009087916 A5 JP2009087916 A5 JP 2009087916A5 JP 2008044691 A JP2008044691 A JP 2008044691A JP 2008044691 A JP2008044691 A JP 2008044691A JP 2009087916 A5 JP2009087916 A5 JP 2009087916A5
- Authority
- JP
- Japan
- Prior art keywords
- backlight assembly
- prism
- flat portion
- incident
- guide plate
- 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.)
- Granted
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Claims (10)
互いに連接する上部プリズムパターンが形成された上面、前記光源からの光が入射する入射面、互いに離隔するように形成された下部プリズムパターン、及び該下部プリズムパターン間に形成されて前記入射面から離れるほど前記上面との距離が段階的に減少する平坦部を有する下面を含み、前記下部プリズムパターンが、前端の平坦部から前記上面方向に傾斜するように形成された第1傾斜面、及び該第1傾斜面の上端から前記下面方向に傾斜するように形成されて後端の平坦部と連結される第2傾斜面を含む導光板と、
前記導光板の下部に配置される反射シートと、
前記導光板の上部に配置される少なくとも1つの光学シートと、を備えることを特徴とするバックライトアセンブリ。 A light source that generates light;
An upper surface on which upper prism patterns connected to each other are formed, an incident surface on which light from the light source is incident, a lower prism pattern formed to be spaced apart from each other, and formed between the lower prism patterns and separated from the incident surface A first inclined surface including a lower surface having a flat portion whose distance from the upper surface gradually decreases, and the lower prism pattern is formed to be inclined from the flat portion of the front end toward the upper surface; and A light guide plate including a second inclined surface formed so as to be inclined from the upper end of the one inclined surface toward the lower surface and connected to the flat portion of the rear end;
A reflective sheet disposed under the light guide plate;
A backlight assembly comprising: at least one optical sheet disposed on the light guide plate.
互いに連接する上部プリズムパターンが形成された上面、前記光源からの光が入射する入射面、互いに離隔するように形成された下部プリズムパターン、及び該下部プリズムパターン間に形成されて前記入射面から離れるほど前記上面との距離が段階的に減少する平坦部を有する下面を含み、前記下部プリズムパターンがn個の逆プリズム部を含む導光板と(前記nは、2以上の自然数)、
前記導光板の下部に配置される反射シートと、
前記導光板の上部に配置される少なくとも1つの光学シートと、を備えることを特徴とするバックライトアセンブリ。 A light source that generates light;
An upper surface on which upper prism patterns connected to each other are formed, an incident surface on which light from the light source is incident, a lower prism pattern formed to be spaced apart from each other, and formed between the lower prism patterns and separated from the incident surface A light guide plate including a lower surface having a flat portion in which the distance from the upper surface gradually decreases, and the lower prism pattern includes n inverted prism portions (where n is a natural number of 2 or more),
A reflective sheet disposed under the light guide plate;
A backlight assembly comprising: at least one optical sheet disposed on the light guide plate.
前端の平坦部又は逆プリズム部から前記上面方向に傾斜するように形成された第1傾斜面と、
前記第1傾斜面の上端から前記下面方向に傾斜するように形成されて後端の平坦部又は逆プリズム部と連結された第2傾斜面と、を含むことを特徴とする請求項3記載のバックライトアセンブリ。 The reverse prism portion is
A first inclined surface formed so as to be inclined from the flat portion or the reverse prism portion of the front end toward the upper surface;
According to claim 3, characterized in that it comprises a second inclined surface that is formed is connected to the flat portion or the reverse prism portion of the rear end to be inclined to the lower surface direction from the upper end of the first inclined surface Backlight assembly.
The backlight assembly of claim 3 , wherein the lower prism pattern is formed in an irregular curved shape.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2007-0099058 | 2007-10-02 | ||
KR1020070099058A KR101365091B1 (en) | 2007-10-02 | 2007-10-02 | Back light assembly and liquid crystal display apparatus having the same |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009087916A JP2009087916A (en) | 2009-04-23 |
JP2009087916A5 true JP2009087916A5 (en) | 2011-04-14 |
JP5273768B2 JP5273768B2 (en) | 2013-08-28 |
Family
ID=40537895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008044691A Expired - Fee Related JP5273768B2 (en) | 2007-10-02 | 2008-02-26 | Backlight assembly |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5273768B2 (en) |
KR (1) | KR101365091B1 (en) |
CN (1) | CN101403834B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101054385B1 (en) * | 2009-11-19 | 2011-08-04 | 주식회사 엘엠에스 | Light guide plate and backlight unit having same |
JP5610202B2 (en) * | 2010-06-23 | 2014-10-22 | ミネベア株式会社 | Surface lighting device |
KR102157549B1 (en) * | 2010-10-15 | 2020-09-21 | 엘지디스플레이 주식회사 | Backlight Unit and Liquid Crystal Display Device having the same |
JP5861907B2 (en) * | 2011-04-14 | 2016-02-16 | 株式会社クラレ | Surface light source device and image display device |
WO2018186413A1 (en) * | 2017-04-04 | 2018-10-11 | 株式会社クラレ | Light guide body and planar light-emitting module |
DE112018002189B4 (en) | 2017-04-27 | 2024-06-13 | Panasonic Automotive Systems Co., Ltd. | On-board display device |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2950219B2 (en) * | 1995-10-13 | 1999-09-20 | オムロン株式会社 | Surface light source device, image display device using the surface light source device, and prism array used for the surface light source device |
JP3644787B2 (en) * | 1996-05-09 | 2005-05-11 | 松下電器産業株式会社 | Planar illumination system |
US6123431A (en) * | 1997-03-19 | 2000-09-26 | Sanyo Electric Co., Ltd | Backlight apparatus and light guide plate |
KR100271672B1 (en) * | 1998-05-20 | 2000-11-15 | 구본준 | Sheet type optical device and backlight unit using the same |
JP3434465B2 (en) * | 1999-04-22 | 2003-08-11 | 三菱電機株式会社 | Backlight for liquid crystal display |
US6845212B2 (en) * | 1999-10-08 | 2005-01-18 | 3M Innovative Properties Company | Optical element having programmed optical structures |
JP2002109924A (en) * | 2000-09-28 | 2002-04-12 | Toyota Industries Corp | Light guide plate |
JP4152605B2 (en) * | 2001-05-30 | 2008-09-17 | 株式会社エンプラス | Light guide plate, surface light source device, and liquid crystal display |
KR100799156B1 (en) * | 2001-07-13 | 2008-01-29 | 삼성전자주식회사 | Light guided panel and method for fabricating thereof and liquid crystal display device using the same |
JP2003098356A (en) * | 2001-09-20 | 2003-04-03 | Pioneer Electronic Corp | Light transmission plate |
TW200302943A (en) * | 2001-10-31 | 2003-08-16 | Mitsubishi Chem Corp | Display apparatus |
JP2005268201A (en) * | 2004-02-20 | 2005-09-29 | Omron Corp | Surface light source device |
KR20060128448A (en) * | 2005-06-10 | 2006-12-14 | 삼성전자주식회사 | Light guide plate , back light assembly and liquid crystal display apparatus having the same |
JP2006344598A (en) * | 2005-06-10 | 2006-12-21 | Samsung Electronics Co Ltd | Light guide plate, and backlight assembly and liquid crystal display (lcd) device with light guide plate |
-
2007
- 2007-10-02 KR KR1020070099058A patent/KR101365091B1/en active IP Right Grant
-
2008
- 2008-02-26 JP JP2008044691A patent/JP5273768B2/en not_active Expired - Fee Related
- 2008-03-28 CN CN2008100888277A patent/CN101403834B/en not_active Expired - Fee Related
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