Backlight unit and liquid crystal display device including the same
AssigneeLG Display Co., Ltd.
InventorsYoung Sam KIM, Jong Chil LEE
Life of this patent
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Abstract
A liquid crystal display device is disclosed. The liquid crystal display device includes a liquid crystal display panel, a light guide plate configured to guide blue light from a blue light source to the liquid crystal display panel and a light conversion sheet comprising a light conversion layer and a light compensation pattern positioned on edges of the light conversion layer configured to compensate blue light leakage at the edges of the light conversion sheet, wherein the light conversion sheet is positioned between the liquid crystal display panel and the light guide panel.
Claims20
A backlight unit, comprising:
- a light guide plate configured to guide blue light from a blue light source;
- and
- a light conversion sheet comprising a light conversion layer and a light compensation pattern on edges of the light conversion layer configured to compensate for leakage of blue light guided from the light guide plate, the leakage occurring at the edges of the light conversion sheet.
A backlight unit, comprising:
- a light guide plate configured to guide blue light from a blue light source;
- and
- a light conversion sheet comprising a light conversion layer configured to compensate blue light leakage at the edges of the light conversion sheet having a first thickness within a first area and a second thickness within a second area,
- wherein the second area is the edges of the first area and the second thickness is thicker than the first thickness,
- wherein the light conversion layer including a first light conversion element configured to convert a portion of the blue light into a portion of green light and a second light conversion element configured to convert another portion of the blue light into a portion of a red light.
A liquid crystal display device, comprising:
- a liquid crystal display panel;
- a light guide plate configured to guide blue light from a blue light source to the liquid crystal display panel;
- and
- a light conversion sheet comprising a light conversion layer and a light compensation pattern positioned on edges of the light conversion layer configured to compensate blue light leakage at the edges of the light conversion sheet,
- wherein the light conversion sheet is positioned between the liquid crystal display panel and the light guide panel.
Dependencies are inferred from the claim text.