Lg Display Co., Ltd.

JaeJung Han

Daeyong Kim

SeMin Lee

JinRyun Kim

YongJoong Yoon

Eunhee Choi

Sanghyun Lee

Hyosung Lee

JaeJin Kim

SangHyuck Bae

HyungUk Jang

MinHo Sohn

SeungJu Gwon

Jintaek Choi

Juyoung Bang

ByungChun Yu

Jigeun Nam

Hyukjoon Yoon

Sangrae Lee

Dukjin Jun

Jongseong Choi

A display device having a switchable viewing angle includes a first polarizer which transmits light of a P-wave or S-wave, a viewing angle control panel which is disposed above the first polarizer, includes a lower electrode and an upper electrode, and a liquid crystal layer disposed between the lower electrode and the upper electrode to selectively change the light of P-wave or S-wave to an S-wave or P-wave, and a second polarizer which is disposed above the viewing angle control panel and has a transmission axis perpendicular to a transmission axis of the first polarizer. Therefore, the mode may be switchable to the privacy mode and the share mode and in the share mode, the luminance may be improved without increasing the power consumption.

Display device having switchable viewing angle

The present disclosure relates to a light control film having nano (or nano-scale) light absorbing layer and a display using the same. A light control film according to the present disclosure includes a lower layer having a first axis and a second axis, a middle layer having a predetermined thickness disposed between the lower layer and the upper layer, and a plurality of nano light absorbing layers arrayed with a predetermined intercals along the first axis in the middle layer, each of the nano light absorbing layer having a width along the first axis, a length along the second axis and a height corresponding to the thickness of the middle layer, wherein a ratio between the interval and the width of the nano light absorbing layer is selected from any one of 10:1 to 20:1.

Light control film having nano light absorbing layer and display using the same

A viewing angle light control film and a display having the same are discussed. The viewing angle light control film according to the present disclosure can include a base film, a first optical layer disposed on the base film, a second optical layer contacting the first optical layer, and a light scattering pattern disposed at an interface between the first optical layer and the second optical layer.

Viewing-angle light control film and display having the same

A display apparatus according to the present disclosure can include an anode electrode electrically connected to a thin film transistor disposed on a substrate of the display apparatus, a bank defining an aperture area exposing a portion of the anode electrode, an emission layer disposed on the anode electrode and radiating a light in a specific wavelength band, and a wave absorber disposing at both sides of the aperture area and absorbing the light in the specific wavelength band.

Display apparatus including wave absorber for absorbing light

Disclosed is a backlight unit including a light guide member including one side surface and the other side surface parallel to the one side surface, a light source module disposed on the one side surface of the light guide member, and a local dimming part disposed on the light guide member and including a liquid crystal layer, wherein the liquid crystal layer has an inclined surface disposed between the one side surface and the other side surface of the light guide member.

Backlight unit and display apparatus using the same

A light control film can include a lens part including a plurality of optical patterns; a viewing angle controller including a plurality of slits; and a first based film disposed between the lens part and the viewing angle controller, in which the viewing angle controller has a light transmitting part and a light absorbing part which are alternately disposed, the light absorbing part being disposed in each of the plurality of slits.

Light control film and display apparatus including the same

A backlight unit, a liquid crystal display (LCD) device, and an electronic device including the same are provided. The backlight unit includes a light guide member having a light receiving edge provided on an outer wall, and a hole spaced apart from light receiving edge; a light source configured to provide light to the light receiving edge; and a reflective member on an inner wall of the hole of the light guide member.

Backlight unit, liquid crystal display device, and electronic device including the same

A light guide plate includes a main body having a light receiving edge and an opposite side, the opposite side being opposite from the light receiving edge; at least one variant portion having a protruded portion that protrudes from the main body from the opposite side, the at least one variant portion defining a hole vertically passing through the main body; and an optical pattern provided in the at least one variant portion.

Light guide plate, backlight unit and liquid crystal display device using the same

A backlight unit capable of improving contrast properties by implementing a local dimming method while making the backlight unit slim, and a liquid crystal display using the same are provided. The backlight unit includes a first light guide plate array including a plurality of first light guide plates arranged in parallel in a first direction to define a first light guide channels; a second light guide plate array including a plurality of second light guide plates arranged in parallel in a second direction intersected with the first direction to a second light guide channels; a first light array arranged near at least one end of the first light guide plate array to illuminate light to the at least one end of the first light guide plate array; and a second light array arranged near at least one end of the second light guide plate array to illuminate light to the at least one end of the second light guide plate array.

Backlight unit and liquid crystal display using the same comprising first and second light guide plate arrays connected to and independently controlled by first and second light array driving parts respectively

A liquid crystal display and a driving method thereof capable of improving contrast properties by implementing a local dimming and achieving the slimness of the liquid crystal display. The liquid crystal display comprises a liquid crystal display panel, a backlight unit including a light guide plate part in which a plurality of light guide channels are formed, and a plurality of light sources for illuminating light to the light guide channels, a division driving controller for mapping an input picture to a plurality of blocks in which a plurality of data channels are intersected with the plurality of light guide channels, analyzing luminance of the input picture for each block, determining dimming values of the plurality of light sources, and independently modulating the luminance of the input picture for each block based on the analyzed result, and a light source driver for independently controlling luminance of the light sources responding to the dimming values.

Liquid crystal display and driving method thereof

A multi-touch sensing method and apparatus are described. The multi-touch sensing method includes: storing, in a memory, coordinate values of a first dead zone and coordinate values of a second dead zone existing between first and second pair of image sensors, respectively; calculating coordinate values of touch points from images obtained by the first and second pairs of image sensors; comparing the coordinate values of the touch point and the coordinate values of the dead zones to identify the location of the dead zone to which the touch point belongs; selecting the coordinate values calculated in the third step if the coordinate values of the touch point belong to the first dead zone; and selecting the coordinate values calculated in the second step if the coordinate values of the touch point belong to the second dead zone.

Growing community of inventors

Seoul, South Korea

JaeJung Han