Light source and display device having the same
AssigneeLG Innotek Co., Ltd.
InventorHyung Hwa Park
Life of this patent
Estimating the term…
Abstract
A display device including a light unit is provided. The light unit may include a light guide plate, a light emitting module, and a color coordinate conversion sheet. The light emitting module may include a plurality of light emitting diodes configured to emit light to a side of the light guide plate. The color coordinate conversion sheet may be positioned on the light guide plate to convert a color coordinate distribution of the light emitted by the light emitting module to a color coordinate distribution that falls within a target distribution range.
Claims26
A light source, comprising:
- a light guide plate;
- at least one light emitting module positioned so as to emit light incident on the light guide plate, wherein the at least one light emitting module comprises a plurality of light emitting diodes;
- an optical sheet on a top surface of the light guide plate;
- and
- a conversion sheet provided on a top surface of the optical sheet, wherein the conversion sheet converts a color of the light emitted by the at least one light emitting module to a target color,
- wherein the optical sheet includes a diffusion sheet and a prism sheet aligned with the diffusion sheet, and wherein the optical sheet is disposed on the light guide plate and the conversion sheet such that the conversion sheet converts the color of the light passing through the diffusion sheet and the prism sheet.
A display device, comprising:
- a cover;
- a light emitting module provided on the cover, the light emitting module comprising a plurality of light emitting diodes;
- a light guide plate provided at a side of the light emitting module;
- an optical sheet provided on the light guide plate, the optical sheet including a diffusion sheet and a prism sheet aligned with the diffusion sheet;
- a display panel provided on the optical sheet;
- and
- a conversion layer provided between the optical sheet and the display panel, wherein the conversion layer converts a first color of light emitted by the light guide plate to a target color, and wherein the conversion layer converts the first color of the light passing through the diffusion sheet and the prism sheet.
A light source, comprising:
- a light guide plate;
- at least one light emitting module positioned so as to emit light incident on the light guide plate, wherein the at least one light emitting module comprises a plurality of light emitting diodes;
- an optical sheet on a top surface of the light guide plate;
- a conversion sheet provided on a top surface of the optical sheet, wherein the conversion sheet converts a color of the light emitted by the at least one light emitting module to a target color;
- and
- a reflective plate positioned under the light guide plate,
- wherein the light emitting module is positioned at a side edge of the light guide plate, and the optical sheet includes a diffusion sheet and a prism sheet on the diffusion sheet, and the conversion sheet is coated with a color coordinate material on an upper surface of the diffusion sheet such that the conversion sheet converts the color of the light diffusing by the diffusion sheet.
Dependencies are inferred from the claim text.