IP Library Granted Patent US 10,330,855
Granted Patent B2
US 10,330,855 · App. 15/546,129 · Granted Jun 25, 2019

Lighting device and display device

Inventor: Kenji Takase (Sakai, JP)
Assignee: SHARP KABUSHIKI KAISHA
G02B6/0068F21V29/503G02B6/009G02B6/0085G02F1/1336F21V7/05F21V29/70F21Y2103/10F21Y2103/20F21Y2105/00F21Y2115/10
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Quick Facts
Patent No.
US 10,330,855
App. No.
15/546,129
Granted
Jun 25, 2019
Kind
B2
Abstract

A lighting device ( 100 A) includes: at least one light-emitting device ( 10 ) that emits light; and a light guide plate ( 20 ) having a light-receiving end face ( 20 a ) that receives light which is emitted from the at least one light-emitting device ( 10 ) and an outgoing face ( 20 b ) that crosses the light-receiving end face ( 20 a ). The lighting device ( 100 A) further includes a substrate ( 30 ) of a rectangular ring shape, the substrate having four side portions ( 30 a, 30 b, 30 c, 30 d ). The at least one light-emitting device ( 10 ) is provided on the substrate ( 30 ).

Claims (19)

1. A display apparatus comprising:

a lighting device including:

at least one light-emitting device that emits light; and

a light guide plate having a light-receiving end face that receives light which is emitted from the at least one light-emitting device and an outgoing face that emits light which has entered into the light guide plate through the light-receiving end face, wherein,

the display apparatus further comprises a display panel provided on the outgoing face side of the light guide plate;

the lighting device further includes a substrate of a rectangular ring shape, the substrate having four side portions;

the at least one light-emitting device is provided on the substrate;

each of the four side portions of the substrate has an angular C-shaped cross section; and

the substrate includes a guide portion which causes the display panel to be positioned relative to the lighting device.

2. The display apparatus of claim 1 , wherein the at least one light-emitting device is disposed on one side portion among the four side portions of the substrate.

3. The display apparatus of claim 1 , wherein,

the at least one light-emitting device comprises a plurality of light-emitting devices; and

the plurality of light-emitting devices are disposed on two or more side portions among the four side portions of the substrate.

4. The display apparatus of claim 1 , wherein the substrate is made of a metal material.

5. The display apparatus of claim 1 , wherein,

the substrate includes a corner portion where two side portions among the four side portions intersect with each other; and

the guide portion is provided in the corner portion.

6. The display apparatus of claim 1 , wherein,

as viewed from a normal direction of a display surface, the guide portion has a L-shape.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 29, 2017
From: TAKASE, KENJI
To: SHARP KABUSHIKI KAISHA
Reel/Frame 044508/0668 →
Priority Claims (1)
JP 2015-013096 · Jan 27, 2015 · national
Continuity (1)
Related Publication 20180335561A1 · Nov 22, 2018