Backlight unit and display apparatus including the same
AssigneeLG Electronics Inc.
InventorsYong Suk Kim, Won Do Kee, Chan Sung Jeong, Seung Se Kim
Life of this patent
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Abstract
A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N≧2) light guide panels respectively disposed adjacent to the plurality of light sources, a corresponding light guide panel including a light incidence part having a light incidence surface for receiving light emitted from a corresponding light source, and a light emission part for emitting the received incident light. Further, the corresponding light guide panel includes protruding surface patterns protruding from an upper surface the light emission part.
Claims22
A back-light unit comprising:
- a plurality of substrates;
- a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light;
- and
- N (N≧2) light guide panels respectively disposed adjacent to the plurality of light sources, a corresponding light guide panel including a light incidence part having a light incidence surface for receiving light emitted from a corresponding light source, and a light emission part for emitting the received incident light,
- wherein the corresponding light guide panel comprises protruding patterns,
- the protruding patterns extend in a first direction,
- the protruding patterns protrude from an upper surface of the light emission part in a second direction, and
- a width of at least a part of each protruding pattern in a third direction decreases from the upper surface of the light emission part along the second direction.
A display apparatus comprising:
- a display panel;
- and
- a backlight unit at a rear surface of the display panel,
- the backlight unit including
- a plurality of substrates;
- a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light;
- and
- N (N≧2) light guide panels respectively disposed adjacent to the plurality of light sources, a corresponding light guide panel including a light incidence part having a light incidence surface for receiving light emitted from a corresponding light source, and a light emission part for emitting the received incident light,
- wherein the light guide panel comprises protruding patterns,
- the protruding patterns extend in a first direction,
- the protruding patterns protrude from an upper surface of the light emission part in a second direction, and
- a width of at least a part of each protruding pattern in a third direction decreases from the upper surface of the light emission part along the second direction.
Dependencies are inferred from the claim text.