BACKLIGHT UNIT OF DISPLAY APPARATUS
First Claim
1. A backlight unit of a display apparatus, the backlight unit comprising:
- a display housing;
a light source which is arranged along an inner circumference the display housing;
a light guide plate through which light of the light source is transmitted, and which forms surface light;
an optical sheet which is disposed on an upper side of the light guide plate to upwardly diffuse the light of the light source transmitted through the light guide plate;
a plurality of first fixing units, each of which fix locations of the light guide plate and the optical sheet;
a plurality of second fixing units which support only the light guide plate; and
a support frame which is connected to the display housing to fix the optical sheet to the display housing provisionally, and has a window formed on a surface corresponding to the light guide plate to allow light to pass therethrough,wherein the light source, the light guide plate, the first fixing units, and the second fixing units are disposed between the display housing and the support frame.
1 Assignment
0 Petitions
Accused Products
Abstract
A backlight unit of a display apparatus is provided. The backlight unit includes a display housing, a light source which is arranged along an inner circumference the display housing, a light guide plate through which light of the light source is transmitted, and which forms surface light, an optical sheet which is disposed on an upper side of the light guide plate to upwardly diffuse the light of the light source transmitted through the light guide plate, a plurality of first fixing units, each of which fix both the light guide plate and the optical sheet, a plurality of second fixing units which support only the light guide plate, and a support frame which is connected to the display housing to fix the optical sheet to the display housing provisionally, and has a window formed on a surface corresponding to the light guide plate to allow light to pass therethrough.
26 Citations
16 Claims
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1. A backlight unit of a display apparatus, the backlight unit comprising:
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a display housing; a light source which is arranged along an inner circumference the display housing; a light guide plate through which light of the light source is transmitted, and which forms surface light; an optical sheet which is disposed on an upper side of the light guide plate to upwardly diffuse the light of the light source transmitted through the light guide plate; a plurality of first fixing units, each of which fix locations of the light guide plate and the optical sheet; a plurality of second fixing units which support only the light guide plate; and a support frame which is connected to the display housing to fix the optical sheet to the display housing provisionally, and has a window formed on a surface corresponding to the light guide plate to allow light to pass therethrough, wherein the light source, the light guide plate, the first fixing units, and the second fixing units are disposed between the display housing and the support frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16)
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13. A backlight unit of a display apparatus, the backlight unit comprising:
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a light source which emits light; a light guide plate through which the light emitted by the light source is transmitted; and an optical sheet which diffuses the light emitted by the light source and transmitted through the light guide plate, wherein the light guide plate comprises at least one support groove which is formed in an outer portion of the light guide plate and through which a fixing projection is inserted to fix and support the light guide plate, and the optical sheet comprises at least one opening which is formed in an outer portion of the optical sheet at a position corresponding to the at least one support groove and through which the fixing projection is inserted to fix and support the optical sheet. - View Dependent Claims (14, 15)
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Specification