Lg Display Co., Ltd.

Postech Academy-Industry Foundation

Kyeong-Kun Jang

Jae-Ho Lee

In-Jae Chung

Min-Su Cho

Hae-Wook Han

Sin-Ho Kang

Mee-Hyun Lim

Sung-Kyung Hwang

Koo-Hwa Lee

Pu-Jin Kim

Kee-Tae Yoo

The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having at least two light emission diodes positioned at a side for emitting color lights different from each other and light receiving recesses for placing the light emission diodes therein respectively, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a side thereof.

Color mixing lens with light receiving portion, color mixing portion, and light emission portion, and liquid crystal display device having the same

The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having light receiving recesses which respectively house light emission diodes formed at a side surface thereof for positioning at least two light emission diodes at the side surface for producing color lights different from each other, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a top surface thereof.

Color mixing lens and liquid crystal display device having the same

A backlight unit for a liquid crystal display device includes a plurality of white LEDs on a PCB, along a length direction of the PCB, and emitting white lights, the plurality of white LEDs including first and second LEDs alternately arranged; and a plurality of optical sheets on a path of the white lights from the plurality of white LEDs to a liquid crystal panel, wherein the white light from the first LED and the white light from the second LED are substantially complementary in color to each other with respect to a target white light.

Backlight unit including light emitting diodes and liquid crystal display device including the same

Growing community of inventors

Incheon, South Korea

Kyeong-Kun Jang