JP4428986B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
- Publication number
- JP4428986B2 JP4428986B2 JP2003385172A JP2003385172A JP4428986B2 JP 4428986 B2 JP4428986 B2 JP 4428986B2 JP 2003385172 A JP2003385172 A JP 2003385172A JP 2003385172 A JP2003385172 A JP 2003385172A JP 4428986 B2 JP4428986 B2 JP 4428986B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- liquid crystal
- guide plate
- light guide
- crystal display
- 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
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Description
また、斜面91の表面は、反射率の低い樹脂を用いてモールドフレーム9を成型した場合は、斜面91の表面のみに光反射率の高い反射シート等を貼り付ける。一方、光反射率の高い樹脂を用いたモールドフレーム9であれば、樹脂の表面を反射面としてもよい。
また、図1においては、斜面91の高さを導光板3の厚さと同一として、導光板3の側面の厚さ方向全てを露出面31としたが、厚さ方向の一部(例えば、厚さの1/2)を露出面としてもよい。このようにすることにより、斜面の角度を60度とした場合、モールドフレーム9と露出面31との間の空間をさらに小さくすることが可能となる。
2・・・液晶パネル
3・・・導光板
31・・・露出面
32・・・露出面
4・・・反射板
5・・・光センサ
6、7・・・シャーシ
8・・・センサホルダ
9・・・モールドフレーム
91・・・斜面(反射面)
Claims (2)
- 光源と導光板からなるバックライトと、前記バックライトから発せられる光を検出する光センサとを備える液晶表示装置であって、
前記光源は前記導光板の一の側面に配置されており、
前記一の側面と接する他の側面の一部に露出面を設け、
前記露出面から漏れる光を前記液晶表示装置の背面方向へ反射させる斜面を設け、
前記斜面は、前記液晶表示装置の表示面に対して45度以上の傾斜を有しており、
前記斜面で反射される光の一部を前記光センサによって検出することを特徴とする液晶表示装置。 - 前記斜面の表面は拡散反射面となっていることを特徴とする請求項1記載の液晶表示装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003385172A JP4428986B2 (ja) | 2003-11-14 | 2003-11-14 | 液晶表示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003385172A JP4428986B2 (ja) | 2003-11-14 | 2003-11-14 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005148372A JP2005148372A (ja) | 2005-06-09 |
JP4428986B2 true JP4428986B2 (ja) | 2010-03-10 |
Family
ID=34693334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003385172A Expired - Fee Related JP4428986B2 (ja) | 2003-11-14 | 2003-11-14 | 液晶表示装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4428986B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007101771A (ja) * | 2005-10-03 | 2007-04-19 | Epson Imaging Devices Corp | 電気光学装置および電子機器 |
CN100435006C (zh) * | 2005-10-18 | 2008-11-19 | 索尼株式会社 | 背光、显示设备和光源控制方法 |
JP4502933B2 (ja) * | 2005-10-26 | 2010-07-14 | Nec液晶テクノロジー株式会社 | バックライトユニット及び液晶表示装置 |
KR101364997B1 (ko) * | 2007-01-11 | 2014-02-19 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 구비한 표시 장치 |
KR101440499B1 (ko) * | 2008-09-02 | 2014-09-17 | 삼성디스플레이 주식회사 | 표시 장치 |
JP2014232239A (ja) * | 2013-05-30 | 2014-12-11 | Eizo株式会社 | 画像表示装置の光センサ取付構造。 |
CN104235695B (zh) * | 2014-09-19 | 2017-11-24 | 京东方科技集团股份有限公司 | 背光模组及显示装置 |
CN110136656A (zh) * | 2019-04-24 | 2019-08-16 | 昆山龙腾光电有限公司 | 背光模组及液晶显示装置 |
-
2003
- 2003-11-14 JP JP2003385172A patent/JP4428986B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005148372A (ja) | 2005-06-09 |
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