TWI456310B - Backlight module and lcd device - Google Patents

Backlight module and lcd device Download PDF

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Publication number
TWI456310B
TWI456310B TW100131372A TW100131372A TWI456310B TW I456310 B TWI456310 B TW I456310B TW 100131372 A TW100131372 A TW 100131372A TW 100131372 A TW100131372 A TW 100131372A TW I456310 B TWI456310 B TW I456310B
Authority
TW
Taiwan
Prior art keywords
light
semi
reflective film
reflective
backlight module
Prior art date
Application number
TW100131372A
Other languages
Chinese (zh)
Other versions
TW201310133A (en
Inventor
Yung Sen Lin
Tzu Lung Chuang
Original Assignee
Acer Inc
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 Acer Inc filed Critical Acer Inc
Priority to TW100131372A priority Critical patent/TWI456310B/en
Publication of TW201310133A publication Critical patent/TW201310133A/en
Application granted granted Critical
Publication of TWI456310B publication Critical patent/TWI456310B/en

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  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)

Claims (10)

一種背光模組,包含:一導光板,具有一出光面及相對該出光面之一反射面,於該導光板內之光線可經由該出光面射出該導光板;一半反射膜,設置於該反射面上,當於該導光板內之該光線朝向該反射面行進時,可被該半反射膜部分反射;以及一背殼,具有一透光部並鄰近該反射面設置以使該透光部正對該半反射膜,使得外部光線可穿過該透光部、再部分穿過該半反射膜,以經由該反射面進入該導光板。 A backlight module includes: a light guide plate having a light emitting surface and a reflecting surface opposite to the light emitting surface, wherein light in the light guiding plate can exit the light guiding plate through the light emitting surface; and a half reflective film is disposed on the light reflecting plate The surface may be partially reflected by the semi-reflective film when the light in the light guide plate travels toward the reflective surface; and a back cover having a light transmitting portion disposed adjacent to the reflective surface to enable the light transmitting portion The semi-reflective film is disposed such that external light can pass through the light transmissive portion and partially pass through the semi-reflective film to enter the light guide plate via the reflective surface. 如請求項1所述之背光模組,其中該背殼或該透光部之材質係玻璃或聚甲基丙烯酸甲酯。 The backlight module of claim 1, wherein the back shell or the light transmissive portion is made of glass or polymethyl methacrylate. 如請求項2所述之背光模組,更包含一擴散膜,設置於該透光部與該半反射膜之間。 The backlight module of claim 2, further comprising a diffusion film disposed between the light transmissive portion and the semi-reflective film. 如請求項2所述之背光模組,其中該透光部具有一粗糙表面,正對該半反射膜。 The backlight module of claim 2, wherein the light transmitting portion has a rough surface facing the semi-reflective film. 如請求項1所述之背光模組,其中該半反射膜係一金屬薄膜。 The backlight module of claim 1, wherein the semi-reflective film is a metal film. 如請求項5所述之背光模組,其中該半反射膜係形成於一透明基材上。 The backlight module of claim 5, wherein the semi-reflective film is formed on a transparent substrate. 一種液晶顯示裝置,包含:一導光板,具有一入光面、一出光面及相對該出光面之一反射面,於該導光板內之光線可經由該出光面射出該導光板;一半反射膜,設置於該反射面上,當於該導光板內之該光線朝向該反射面行進時,可被該半反射膜部分反射;一外殼,具有一透光部並鄰近該反射面設置以使該透光部正對該半反射膜,使得外部光線可穿過該透光部、再部分穿過該半反射膜,以經由該反射面進入該導光板;一液晶面板,設置於該出光面之上;以及一光源模組,鄰近該入光面設置,用以發射光線經該入光面進入該導光板。 A liquid crystal display device comprising: a light guide plate having a light incident surface, a light exiting surface and a reflecting surface opposite to the light emitting surface, wherein light in the light guiding plate can exit the light guiding plate through the light emitting surface; Provided on the reflective surface, when the light in the light guide plate travels toward the reflective surface, can be partially reflected by the semi-reflective film; a housing having a light transmitting portion disposed adjacent to the reflective surface to The light transmissive portion is opposite to the semi-reflective film, such that external light can pass through the transparent portion and then partially pass through the semi-reflective film to enter the light guide plate through the reflective surface; a liquid crystal panel disposed on the light-emitting surface And a light source module disposed adjacent to the light incident surface for emitting light to enter the light guide plate through the light incident surface. 如請求項7所述之液晶顯示裝置,其中該外殼或該透光部之材質係玻璃或聚甲基丙烯酸甲酯。 The liquid crystal display device of claim 7, wherein the outer casing or the light transmissive portion is made of glass or polymethyl methacrylate. 如請求項8所述之液晶顯示裝置,更包含一擴散膜,設置於該透光部與該半反射膜之間。 The liquid crystal display device of claim 8, further comprising a diffusion film disposed between the light transmitting portion and the semi-reflective film. 如請求項7所述之液晶顯示裝置,其中該半反射膜係一金屬薄膜。The liquid crystal display device of claim 7, wherein the semi-reflective film is a metal film.
TW100131372A 2011-08-31 2011-08-31 Backlight module and lcd device TWI456310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW100131372A TWI456310B (en) 2011-08-31 2011-08-31 Backlight module and lcd device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW100131372A TWI456310B (en) 2011-08-31 2011-08-31 Backlight module and lcd device

Publications (2)

Publication Number Publication Date
TW201310133A TW201310133A (en) 2013-03-01
TWI456310B true TWI456310B (en) 2014-10-11

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Family Applications (1)

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TW100131372A TWI456310B (en) 2011-08-31 2011-08-31 Backlight module and lcd device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109532065A (en) * 2018-11-30 2019-03-29 合肥泰沃达智能装备有限公司 A kind of manufacturing method of half-reflection and half-transmission light guide plate

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM272110U (en) * 2004-12-31 2005-08-01 Innolux Display Corp Double-sided liquid crystal display panel
TW200725066A (en) * 2005-12-16 2007-07-01 Innolux Display Corp Dual-display liquid crystal display
TWM361027U (en) * 2008-11-13 2009-07-11 Top Victory Invest Ltd Liquid crystal display
TWM410894U (en) * 2011-02-01 2011-09-01 Kocam Int Co Ltd Integration-type backlight module with excellent heat uniformization and dissipation effect

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM272110U (en) * 2004-12-31 2005-08-01 Innolux Display Corp Double-sided liquid crystal display panel
TW200725066A (en) * 2005-12-16 2007-07-01 Innolux Display Corp Dual-display liquid crystal display
TWM361027U (en) * 2008-11-13 2009-07-11 Top Victory Invest Ltd Liquid crystal display
TWM410894U (en) * 2011-02-01 2011-09-01 Kocam Int Co Ltd Integration-type backlight module with excellent heat uniformization and dissipation effect

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109532065A (en) * 2018-11-30 2019-03-29 合肥泰沃达智能装备有限公司 A kind of manufacturing method of half-reflection and half-transmission light guide plate

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TW201310133A (en) 2013-03-01

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