Lg Display Co., Ltd.

Ju-Young Bang

Gil-Won Han

In-Jae Chung

Hee-Jung Hong

Min-Gyu Choi

Moo-Jong Lim

Hee-Jeong Park

Dong-Seok Lee

Yeong-Eun Son

Hee-Cheoul Kim

Jong-Hyun Choi

Myung-Gi Jang

A backlight unit and a liquid crystal display device having the same which may facilitate control of output light through a light guide plate, improve light concentration effect, and reduce moire. The backlight unit includes light sources generating light, a light guide plate guiding light through an incidence surface opposite the light sources, emitting the light through an emission surface, and having lower patterns of a prism shape formed on the lower surface of the light guide plate opposite the emission surface by inclined surfaces and sub-inclined surfaces, and at least one optical sheet stacked on the emission surface.

Blacklight unit, liquid crystal display device having the same and fabrication method thereof

A backlight unit for a liquid crystal display (LCD) device includes a light emitting device (LED) array portion having a plurality of LEDs and a diverter sheet disposed on the LED array portion and having continuous reflection surface in spaced relationship with to the LED array portion.

Backlight unit and liquid crystal display device having the same

An LCD device includes an LED backlight assembly, a liquid crystal display panel over the LED backlight assembly, a bottom cover covering a rear side of the LED backlight assembly, a reflecting sheet on an inner side of the bottom cover, the reflecting sheet having a plurality of through-holes corresponding to the plurality of LEDs, a main cover enclosing edges of the liquid crystal display panel and the LED backlight assembly, and a top cover covering edges of a front side of the liquid crystal display panel and combined with the main cover. The LED backlight assembly includes a plurality of LED lamps, a diffusion plate spaced apart from the plurality of LED lamps and having a light transmittance within a range of about 50% to about 90%, and a plurality of optical sheets over the diffusion plate.

Light-emitting diode backlight assembly and liquid crystal display device using the same

A backlight unit for a liquid crystal display device includes a reflector having a plurality of grooves and one or more light emitting diodes within each of the grooves.

A backlight assembly for a liquid crystal display device includes a bottom frame having an inner surface, printed circuit boards on the inner surface, and a plurality of light emitting diodes in rectangular-shaped clusters on each of the printed circuit boards, each of the light emitting diode clusters includes four light emitting diodes.

Backlight assembly for liquid crystal display device and liquid crystal display device using the same

A side type light emitting diode (LED) liquid crystal display (LCD) includes a prism light guide panel in a side type LED backlight to allow scanning and divisional driving to improve motion blur of video or an overall sharpness of an image. The side type LED LCD includes: a lower cover; first and second prism light guide panels disposed in a plurality of layers on the lower cover, ridges of prism mountains formed on the first prism light guide panel being substantially perpendicular to ridges of prism mountains formed on the second prism light guide panel; lamp units being provided on at least one side of each prism light guide panel along the ridges of the prism mountains; and a liquid crystal panel separated from the prism light guide panels that receives light transmitted through the first and second light guide panels emitted from the light units.

Liquid crystal display device

An external electrode fluorescent lamp for a backlight, including: a lamp that emits light; a first external electrode at one end of the lamp, and a second external electrode at a second end of the lamp; a dividing electrode between the first and second external electrodes and defining a plurality of divided regions; and a separating wall inside the lamp corresponding to the dividing electrode and separating the lamp into the divided regions.

Lamp for backlight

A backlight unit in a direct type liquid crystal display device includes a plurality of lamps, wherein each lamp includes a first end, a second end opposing the first end, and a fluorescent part between the first and second ends, and a supporter supporting the plurality of lamps, wherein fluorescent parts of adjacent lamps are longitudinally offset from each other, and each lamp includes a first external electrode at the first end of the lamp, and a second external electrode at the second end of the lamp.

Arrangement structure of backlight in direct type liquid crystal display device

A backlight assembly includes light emitting diodes in patterns, a reflective sheet having a plurality of through holes through which the light emitting diodes protrude, and a sidewall dividing the patterns into a plurality of light emitting diode units.

Growing community of inventors

Seoul, South Korea

Ju-Young Bang