Lg Display Co., Ltd.

Wook Jeon

You-Yong Jin

Hee-Jin Im

Yong-Ku Lee

Dong-Yeon Kim

Woon-Chan Moon

Ju-Hoon Jang

Hoon Jong Kang

Byung-Joo Lee

Bu-Yeol Lee

Jae-Won Shin

Jinwoo Park

Ju Han Kim

Cheol-Se Kim

Sungmin Jung

Youngbok Lee

Hanhee Kim

HyungJu Park

Min Hwa Kim

Jae Won Shin

Rok Hee Lee

JaeWon Shin

Jun Ho Bae

Hyung Dong Kim

Tae Yoon Kang

Wontaek Moon

Jaewon Shin

Junho Bae

A barrier panel includes a first substrate and a second substrate having block region and transmission region; a liquid crystal layer between the first and second substrates, the liquid crystal layer including a plurality of liquid crystal molecules aligned in a predetermined direction; a plurality of barrier electrodes in the block region and the transmission region of the first substrate; a common electrode on the second substrate to apply an electric field to the liquid crystal layer with the plurality of barrier electrodes; a diffraction unit in the plurality of barrier electrodes to diffract the light transmitting therethrough; and a polarization plate over the second substrate, wherein an optical axis direction of the polarization plate is parallel to the alignment direction of the liquid crystal molecule to transmit an image through an area where the electric field is not applied.

Barrier panel and 3D display device having thereof

A stereoscopic display device including a barrier panel is provided. When a viewing distance of a viewer is out of the proper range, the stereoscopic display device may shift the blocking regions and the transmitting regions of the barrier panel. The stereoscopic display device may maintain the ratio of channels located within a barrier blocking region and a barrier transmitting region of the barrier panel by using the channels disposed within trigger regions of the barrier panel. Thus, the stereoscopic display device may provide a stereoscopic image of good quality to the viewer located at a region being out of the proper range.

Stereoscopic display device having a barrier panel

A parallax barrier according to an example can include a first substrate and a second substrate, a liquid crystal layer between the first substrate and second substrate, at least one insulating layer on the first substrate, a first electrode on the second substrate, a second electrode and a third electrode on the insulating layer to generate electric field in order to transmit and block selectively an image, a plurality of first spacers on the first substrate, and a plurality of second spacers on the second substrate. The first spacers and the second spacers can be formed in regions corresponding to each to maintain gap between the first substrate and the second substrate. Further, the first spacers can be spaced apart from the corresponding second spacers by a predetermined distance.

Switchable barrier and 3D display device having thereof

A stereoscopic display device has a barrier panel. The barrier panel of the stereoscopic display device may include sequentially stacked first channel electrodes, second channel electrodes, and third channel electrodes. Each of the third channel electrodes may be disposed between the second channel electrodes. A distance between the third channel electrodes may be the same as a horizontal width of each third channel electrode. Each of the first channel electrodes may include a first region overlapping with an end portion of the second channel electrode, and a second region overlapping with an end portion of the third channel electrode facing the end portion of the second channel electrodes overlapping with the first region of adjacent first channel electrode. Thus, in the stereoscopic display device, the number of stacked layers of the channel electrodes may be minimized, a proper viewing range for a stereoscopic image may be smoothly moved.

A stereoscopic display apparatus is disclosed. In the stereoscopic display apparatus, each unit pixel of a display panel includes a first transparent region. A barrier panel on the display panel may include second transparent regions overlapping with the first transparent region of each unit pixel. Thus, in the stereoscopic display apparatus, the transparency may be improved without the quality deterioration of a stereoscopic image.

Stereoscopic display apparatus

A stereoscopic display device having a barrier panel is provided. The barrier panel may include channel electrodes across an active area. Each of the channel electrodes may include an end portion connected to corresponding link line. Each of the channel electrodes may be connected to the link line same as (n+1)th channel electrode from the channel electrode. The barrier panel may further include connecting lines to connect between opposite end portions of the channel electrode which are connected to the same link line. Thus, in the stereoscopic display device, the number of the wires extending along an edge of the active area may be reduced.

A stereoscopic display device having a barrier panel is provided. The barrier panel may include lower channels between a lower barrier substrate and a channel insulating layer. The lower channels may be disposed between upper channels which is disposed on the channel insulating layer. Each of the lower channels may include a first sub-channel, a second sub-channel and a lower insulating layer. The lower insulating layer of each lower channel may cover an end region of the first sub-channel of adjacent lower channel. The second sub-channel of each lower channel may be connected to another end region of the first sub-channel. The second sub-channel may be extended along a side wall of the lower insulating layer. Thus, in the stereoscopic display device of the present disclosure, a distance between the lower channels may be minimized.

A stereoscopic display device includes a display panel; a barrier panel on the display panel, the barrier panel including channel electrodes across an active area, and link lines disposed outside of the active area; a front linear polarizer and a rear linear polarizer in direct contact with the barrier panel, respectively; and an image linear polarizer disposed on an outer surface of the display panel, wherein the number of the link lines in which each channel electrode crosses, is constant.

A stereoscopic display device having a barrier panel is provided. The barrier panel can include channel electrodes to form transmitting regions and blocking regions in an active area, and link lines to provide a signal to the channel electrodes. The stereoscopic display device can include a display driver driving a display panel; a barrier panel on the display panel, the barrier panel including channel electrodes across an active area, and link lines disposed outside the active area; and a barrier driver controlling the channel electrodes through the link lines, wherein the number of the link lines in which each channel electrode crosses, is constant. Thus, in the stereoscopic display device, a dark spot due to a load deviation of the channel electrodes can be prevented.

A liquid crystal display (LCD) device module includes a liquid crystal (LC) panel; a backlight unit disposed on a rear surface of the LC panel; a cover bottom where the LC panel and the backlight unit are mounted; a plurality of guide panels coupled to side surfaces of the cover bottom, and configured to support four side ends of the LC panel below the LC panel; and a case top configured to enclose outer surfaces of the guide panels.

Liquid crystal display device module

A display device and a method of manufacturing the same are disclosed. The display device includes a first panel, a panel supporter including a bottom part in which the first panel is received, a first pad that is positioned on the bottom part of the panel supporter and attaches the first panel to the panel supporter, a second panel positioned on the first panel, a cover including a surface part covering a partial outer wall of the second panel, and a second pad that is positioned under the surface part of the cover and attaches the second panel to the cover.

Display device and method of manufacturing the same

A touch panel embedded liquid crystal display device is disclosed. A touch panel embedded liquid crystal display device includes a first substrate having a plurality pixels defined in a matrix, a second substrate comprising first, second and third color filters to form a first, second and third color sub-pixels. A second substrate is opposed to the first substrate. A first photo-sensor is provided on the first substrate in a region corresponding to the first color sub-pixel and a second photo-sensor is provided on the first substrate in a region corresponding to the second or third color sub-pixel. A liquid crystal layer is provided between the first substrate and the second substrate, with a first planarization plate and a second planarization plate formed on rear surfaces of the first substrate and the second substrate, respectively, a wave guide formed on the second planarization plate, and a light emitting diode adjacent to the wave guide to emit and transmit a first color light to be sensed by one of the photo sensors.

Photo sensing touch sensing liquid crystal display device

A liquid crystal display (LCD) device and a method for driving the same, which are capable of achieving an enhancement in display quality, are disclosed. The LCD device includes a display panel for displaying an image, a backlight unit comprising a plurality red light sources, a plurality of green light sources, and a plurality of blue light sources, a backlight driver for controlling a duty rate of a first drive signal to drive the red light sources, a duty rate of a second drive signal to drive the green light sources, and a duty rate of a third drive signal to drive the blue light sources, in accordance with a control signal including color coordinate information and luminance information, a luminance corrector for varying the luminance information of the control signal when the duty rate of one of the first to third drive signal is 100%, and a light sensor for sensing light beams from the light sources, generating light sensing signals based on the sensed light beams, and supplying the light sensing signals to the backlight driver and to the luminance corrector.

Growing community of inventors

Daejeon, South Korea

Wook Jeon