JP2008152101A5 - - Google Patents

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Publication number
JP2008152101A5
JP2008152101A5 JP2006341207A JP2006341207A JP2008152101A5 JP 2008152101 A5 JP2008152101 A5 JP 2008152101A5 JP 2006341207 A JP2006341207 A JP 2006341207A JP 2006341207 A JP2006341207 A JP 2006341207A JP 2008152101 A5 JP2008152101 A5 JP 2008152101A5
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JP
Japan
Prior art keywords
light emitting
emitting diode
light
unit
diode unit
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Application number
JP2006341207A
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Japanese (ja)
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JP4940932B2 (en
JP2008152101A (en
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Priority to JP2006341207A priority Critical patent/JP4940932B2/en
Priority claimed from JP2006341207A external-priority patent/JP4940932B2/en
Publication of JP2008152101A publication Critical patent/JP2008152101A/en
Publication of JP2008152101A5 publication Critical patent/JP2008152101A5/ja
Application granted granted Critical
Publication of JP4940932B2 publication Critical patent/JP4940932B2/en
Expired - Fee Related legal-status Critical Current
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Claims (3)

赤色、緑色及び青色の各発光ダイオードが非線状に近接して一ユニットとして形成された複数の発光ダイオードユニットが所定間隔を置いて第１の方向に並んで設けられた配線基板と、
複数の前記配線基板を前記第１の方向及び当該第１の方向に略直交する第２の方向にマトリクス状に配置するための筐体と、
前記各配線基板を覆うように設けられ、前記各発光ダイオードユニットの各発光ダイオードを露出させるための開口を有し、前記各発光ダイオードから出射された光を反射可能な反射板と、
前記反射板と対向するように設けられ、前記光の一部を前記反射板側へ反射させるとともに、前記光の他部を透過させ拡散させて出射させる拡散板と、
前記露出した各発光ダイオードユニットのうち、前記第１の方向で互いに隣接する第１及び第２の発光ダイオードユニットと、当該第１の発光ダイオードユニットに前記第２の方向で隣接する第３の発光ダイオードユニットと、前記第２の発光ダイオードユニットに前記第２の方向で隣接し、かつ、前記第３の発光ダイオードユニットに前記第１の方向で隣接する第４の発光ダイオードユニットの各発光ダイオードユニットからの各距離が略等しくなるように、前記反射板から突出するように設けられ、前記拡散板を支持して当該反射板と拡散板との対向間隔を規定する光学スタッド部材と
を具備するバックライト装置。 A plurality of light emitting diode units each formed of red, green, and blue light emitting diodes in a non-linear proximity as a unit, and arranged in a first direction at a predetermined interval;
A housing for arranging the plurality of wiring boards in a matrix in the first direction and a second direction substantially orthogonal to the first direction;
A reflective plate that is provided so as to cover each wiring substrate, has an opening for exposing each light emitting diode of each light emitting diode unit, and is capable of reflecting light emitted from each light emitting diode;
A diffusion plate that is provided so as to face the reflection plate, reflects a part of the light to the reflection plate side, transmits the other part of the light, diffuses it, and emits it;
Of the exposed light emitting diode units, the first and second light emitting diode units adjacent to each other in the first direction, and the third light emission adjacent to the first light emitting diode unit in the second direction. Each light emitting diode unit of a fourth light emitting diode unit adjacent to the diode unit and the second light emitting diode unit in the second direction and adjacent to the third light emitting diode unit in the first direction as the distances are substantially equal from the provided so as to protrude from the reflecting plate, you and a optical stud member which defines the opposing distance between the diffusion plate and supporting the reflector and the diffusing plate backlights apparatus. 請求項１に記載のバックライト装置であって、
前記各配線基板は、一の配線基板に前記第２の方向で隣接する他の配線基板が当該一の配線基板を前記第１及び第２の方向を含む面上で略１８０度反転した状態となるように設けられる
バックライト装置。 The backlight device according to claim 1,
Each of the wiring boards is in a state in which another wiring board adjacent to the one wiring board in the second direction has inverted the one wiring board by about 180 degrees on the plane including the first and second directions. Provided to be
Backlight device. 赤色、緑色及び青色の各発光ダイオードが非線状に近接して一ユニットとして形成された複数の発光ダイオードユニットが所定間隔を置いて第１の方向に並んで設けられた配線基板と、複数の前記配線基板を前記第１の方向及び当該第１の方向に略直交する第２の方向にマトリクス状に配置するための筐体と、前記各配線基板を覆うように設けられ、前記各発光ダイオードユニットの各発光ダイオードを露出させるための開口を有し、前記各発光ダイオードから出射された光を反射可能な反射板と、前記反射板と対向するように設けられ、前記光の一部を前記反射板側へ反射させるとともに、前記光の他部を透過させ拡散させて出射させる拡散板と、前記露出した各発光ダイオードユニットのうち、前記第１の方向で互いに隣接する第１及び第２の発光ダイオードユニットと、当該第１の発光ダイオードユニットに前記第２の方向で隣接する第３の発光ダイオードユニットと、前記第２の発光ダイオードユニットに前記第２の方向で隣接し、かつ、前記第３の発光ダイオードユニットに前記第１の方向で隣接する第４の発光ダイオードユニットの各発光ダイオードユニットからの各距離が略等しくなるように、前記反射板から突出するように設けられ、前記拡散板を支持して当該反射板と拡散板との対向間隔を規定する光学スタッド部材とを有するバックライト装置と、
前記拡散板から出射された光の透過率を変化させることで映像を表示可能な液晶パネルと
を具備する液晶表示装置。 A plurality of light-emitting diode units each formed of red, green, and blue light-emitting diodes in a non-linear proximity as a unit and arranged in a first direction at a predetermined interval; A housing for arranging the wiring board in a matrix in the first direction and a second direction substantially orthogonal to the first direction; and each light emitting diode provided so as to cover each wiring board An opening for exposing each light emitting diode of the unit; a reflecting plate capable of reflecting light emitted from each of the light emitting diodes; and a portion facing the reflecting plate. Of the exposed light emitting diode units, the first and second diffusers that reflect to the reflector side and transmit the other part of the light to be diffused and emitted, and the exposed light emitting diode units. Two light emitting diode units, a third light emitting diode unit adjacent to the first light emitting diode unit in the second direction, and adjacent to the second light emitting diode unit in the second direction, and The fourth light emitting diode unit adjacent to the third light emitting diode unit in the first direction is provided so as to protrude from the reflecting plate so that each distance from each light emitting diode unit is substantially equal, A backlight device having an optical stud member that supports the diffusion plate and defines an opposing distance between the reflection plate and the diffusion plate;
It said to that liquid crystal display device and a liquid crystal panel capable of displaying an image by changing the transmittance of light emitted from the diffusion plate.
JP2006341207A 2006-12-19 2006-12-19 Backlight device and liquid crystal display device Expired - Fee Related JP4940932B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006341207A JP4940932B2 (en) 2006-12-19 2006-12-19 Backlight device and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006341207A JP4940932B2 (en) 2006-12-19 2006-12-19 Backlight device and liquid crystal display device

Publications (3)

Publication Number Publication Date
JP2008152101A JP2008152101A (en) 2008-07-03
JP2008152101A5 true JP2008152101A5 (en) 2010-02-12
JP4940932B2 JP4940932B2 (en) 2012-05-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006341207A Expired - Fee Related JP4940932B2 (en) 2006-12-19 2006-12-19 Backlight device and liquid crystal display device

Country Status (1)

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JP (1) JP4940932B2 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4586905B2 (en) 2008-08-13 2010-11-24 ソニー株式会社 Light emitting diode drive device
US20120063122A1 (en) * 2009-06-15 2012-03-15 Sharp Kabushiki Kaisha Illumination device, display device, and television receiver
RU2508566C2 (en) * 2009-06-17 2014-02-27 Шарп Кабусики Кайся Display device and television receiver
RU2507441C2 (en) * 2009-07-31 2014-02-20 Шарп Кабусики Кайся Backlighting device, display device and tv receiver
WO2011027609A1 (en) * 2009-09-07 2011-03-10 シャープ株式会社 Lighting device, display device, and television receiver
WO2011055565A1 (en) 2009-11-06 2011-05-12 シャープ株式会社 Lighting device, display device, and television receiver
CN102667315A (en) * 2009-12-28 2012-09-12 夏普株式会社 Lighting device, display device and television receiver
JP5520094B2 (en) * 2010-03-16 2014-06-11 株式会社ジャパンディスプレイ Electro-optical device and electronic apparatus
US20130050587A1 (en) * 2010-05-25 2013-02-28 Yuuki Namekata Lighting device, display device and television receiver
JP5535786B2 (en) * 2010-06-18 2014-07-02 パナソニック液晶ディスプレイ株式会社 Backlight unit and liquid crystal display device
JP5620181B2 (en) * 2010-07-29 2014-11-05 パナソニック株式会社 LED lighting fixtures
WO2012014598A1 (en) * 2010-07-30 2012-02-02 シャープ株式会社 Lighting device, display device, and television receiving device
KR101544608B1 (en) * 2012-05-25 2015-08-17 삼성디스플레이 주식회사 Display device
JP2014150292A (en) * 2014-05-29 2014-08-21 Mitsubishi Electric Corp Light-emitting device
JP6661302B2 (en) * 2015-08-24 2020-03-11 シャープ株式会社 Lighting device, display device, and television receiver
JP6601146B2 (en) * 2015-10-26 2019-11-06 船井電機株式会社 Display device
CN105785644B (en) * 2016-03-25 2019-09-17 青岛海信电器股份有限公司 Backlight module and liquid crystal display device
CN113985656B (en) * 2021-10-27 2023-12-26 合肥京东方光电科技有限公司 Backlight source, backlight module and display device
KR20240114590A (en) * 2023-01-17 2024-07-24 삼성전자주식회사 Display apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3292133B2 (en) * 1997-04-14 2002-06-17 日亜化学工業株式会社 LED display and display device using the same
JP4413672B2 (en) * 2003-03-31 2010-02-10 シャープ株式会社 Surface illumination device and liquid crystal display device using the same
JP4622327B2 (en) * 2004-06-14 2011-02-02 ソニー株式会社 Liquid crystal display device and backlight device
JP2006120355A (en) * 2004-10-19 2006-05-11 Omron Corp Backlight device and liquid crystal display device
JP2006278077A (en) * 2005-03-29 2006-10-12 Sharp Corp Backlight device and liquid crystal display
DE102006033893B4 (en) * 2005-12-16 2017-02-23 Osram Opto Semiconductors Gmbh lighting device

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