Lg Display Co., Ltd.

Ji-Seok Yang

Min-Su Cho

Kyu-Hwan Lee

Ki-Seong Kim

Dong-Hwi Kim

Seo-Yoon Lee

Gwan-Hoon Park

Seung-Won Lee

A backlight unit includes a diffusion plate, wherein the diffusion plate includes a first region along edges of the diffusion plate, and a second region surrounded by the first region, and wherein a thickness of the first region decreases toward an outer side direction of the diffusion plate.

Backlight unit and liquid crystal display device including the same

A light emitting diode package includes: a light emitting diode (LED); and an LED lens over the LED, the LED lens having a symmetrical shape with respect to a central axis, wherein the LED lens includes a lower surface having first and second lower surfaces, an upper surface and a side surface connecting the lower surface and the upper surface, wherein the light through the first lower surface is totally reflected on the upper surface and is emitted though the side surface, wherein the first lower surface includes a first curved surface extending from the central axis and a second curved surface extending from a first end portion of the first curved surface, and wherein the second lower surface is flat and extends from a second end portion of the second curved surface.

Light emitting diode package and liquid crystal display device including the same

Growing community of inventors

Paju-si, South Korea

Ji-Seok Yang