IP Library Granted Patent US 6,867,825
Granted Patent B2
US 6,867,825 · App. 10/122,242 · Granted Mar 15, 2005

Liquid crystal display device

Assignee: NEC LCD Technologies, Ltd.
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Quick Facts
Patent No.
US 6,867,825
App. No.
10/122,242
Granted
Mar 15, 2005
Kind
B2
Abstract

In a liquid crystal display device there are provided a frame, a liquid crystal panel, and a diffuser, the liquid crystal panel and the diffuser being supported by a frame formed of a white resin. The frame is composed of two short-side members and two long-side members. The short-side members are provided with reflectors respectively, and lamp mounting members formed of rubber are fitted with the reflectors to support end portions of lamps. The lamp mounting members are mounted to a back reflector to fix the lamps to the back reflector.

Claims (22)

1. A liquid crystal display device comprising:

a plurality of light sources;

a back reflector disposed on a back side of the liquid crystal display device to reflect light emitted from said light sources;

a diffuser disposed oppositely to said back reflector with said light sources therebetween to transmit and diffuse the light emitted from the light sources;

a liquid crystal panel which selectively transmits the light having passed through said diffuser, thereby forming an image;

a frame integrally provided with both a diffuser support portion for supporting said diffuser and a liquid crystal panel support portion for supporting said liquid crystal panel; and

a plurality of mounting members formed of an elastic material and mounted directly at side edge portions of the back reflector, said light sources being individually and removably mounted at both extreme ends thereof to a respective side edge portion of said back reflector through said mounting members.

2. A liquid crystal display device according to claim 1 , wherein said mounting members are formed of rubber or resin.

3. A liquid crystal display device according to claim 1 , further comprising side reflectors reflecting light emitted from said light sources toward said liquid crystal panel, being provided along inner faces of said frame, i.e., along side faces of the liquid crystal display device.

4. A liquid crystal display device according to claim 1 , wherein said frame is assembled in the frame shape by connecting at least two divided frames.

5. A liquid crystal display device according to claim 4 , wherein said frame can be divided at four corner portions and is assembled in the frame shape by connecting four, substantially linear, divided frames.

6. A liquid crystal display device according to claim 5 , wherein said divided frames are connected together by fitting respective end portions with each other.

7. A liquid crystal display device according to claim 4 , wherein said divided frames are connected together by fitting respective end portions with each other.

8. A liquid crystal display device according to claim 4 , further comprising side reflectors reflecting light emitted from said light sources toward said liquid crystal panel, wherein two of said divided frames are provided oppositely to each other, and said two divided frames are integral with two of said side reflectors respectively.

9. A liquid crystal display device according to claim 8 , wherein said two side reflectors integral with said divided frames are formed with recesses for fitting therein of said mounting members.

10. A liquid crystal display device according to claim 8 , wherein remaining of said side reflectors which is not integral with said divided frames are formed integrally with said back reflector so as to stand up from the back reflector and being provided oppositely to each other and connected to said two side reflectors which is integral with said divided frames.

11. A liquid crystal display device according to claim 4 , wherein said divided frames are formed by molding resin.

12. A liquid crystal display device according to claim 4 , wherein said divided frames are formed using a resin-coated metal.

13. A liquid crystal display device according to claim 1 , wherein said back reflector is constituted by coating an upper surface of a metallic plate with a reflective material to form a reflective surface on the metallic plate.

14. A liquid crystal display device according to claim 1 , wherein said frame is fixed to said back reflector removably.

15. A liquid crystal display device according to claim 1 , further comprising a second frame for fixing said liquid crystal panel to said frame.

16. A liquid crystal display device according to claim 1 , wherein said mounting members each have a portion of U-shaped section for fitting with said respective side edge portion of said back reflector and a cavity into or through which an end portion of each said light source is inserted.

Assignments (6)
SECURITY INTEREST Recorded Jul 14, 2022
From: VISTA PEAK VENTURES, LLC
To: GETNER FOUNDATION LLC
Reel/Frame 060654/0430 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 28, 2018
From: GETNER FOUNDATION LLC
To: VISTA PEAK VENTURES, LLC
Reel/Frame 045469/0023 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 10, 2011
From: NEC CORPORATION
To: GETNER FOUNDATION LLC
Reel/Frame 026254/0381 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 7, 2010
From: NEC LCD TECHNOLOGIES, LTD.
To: NEC CORPORATION
Reel/Frame 024492/0176 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 5, 2003
From: NEC CORPORATION
To: NEC LCD TECHNOLOGIES, LTD.
Reel/Frame 013715/0282 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 16, 2002
From: KANATSU, TSUTOMU; ISHIDA, HIROSHI
To: NEC CORPORATION
Reel/Frame 012805/0331 →
Priority Claims (1)
JP 2001-118013 · Apr 17, 2001 · national
Continuity (1)
Related Publication 20020149719A1 · Oct 17, 2002