Samsung Mobile Display Co., Ltd.

Samsung Sdi Co., Inc.

Won Ki Cho

Dong Ho Lee

Sang Hoon Lee

Ho Seok Ko

Wan Soo Han

Min Ho Lee

Jong Kyo Jeong

Hee Chan Eum

Kyung Il Park

Jang Hwan Hwang

Jae Myung Kim

A light guide member capable of guiding light received from at least a first light source and second light source, wherein the first light source is spaced a distance Dfrom the second light source. The light guide member may include a first side including a plurality of first grooves extending along a first direction and a plurality of second grooves extending along the first direction, wherein the first grooves may have a first pitch and the second grooves have a second pitch, the first pitch being different from the second pitch.

Methods of fabricating light guide members and backlight units

Light guide member and backlight unit including light guide member and methods of fabricating light guide members and backlight units

A light guide member for guiding light incident thereon from a light source, the light guide member including a plurality of the first grooves extending along a first direction on a first side of the light guide member, a plurality of second grooves extending along a second direction on the first side of the light guide member, the first direction may cross the second direction such that the first grooves and the second grooves may form a matrix pattern on the first side of the light guide member, wherein a polygonal shaped projection is formed between every two adjacent ones of the second grooves and a corresponding two adjacent ones of the first grooves.

Light guide member and backlight unit including light guide member

A light guide member for guiding light received from a light source, the light source illuminating light toward the light guide member, the light guide member may include a plurality of first grooves on a first side of the light guide member, the first grooves extending along a first direction crossing a zero-degree radiation angle of the light from the light source, wherein an angle of a reflective face of the first groove increases approaching away from the light source of the light source.

Backlight unit of a liquid crystal display device

A light guide member for guiding light may include a first pattern on a first side of the light guide member, the first pattern may include a plurality of first features extending along a first direction, and a plurality of second features extending along a second direction, wherein the first direction crosses the second direction, the first feature has a first feature size, the second feature has a second feature size, and the first feature size may be less than the second feature size.

A light guide member for guiding light received from a light source unit, the light source unit illuminating light toward the light guide member, the light guide member may include a plurality of first grooves on a first side of the light guide member, the first grooves extending along a first direction, and a plurality of first projections projecting from surfaces of the first grooves.

Growing community of inventors

Yangsan-si, South Korea

Won Ki Cho