Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Se-Ki Park

Gi-Cherl Kim

Seok-Hyun Nam

Ju-Young Yoon

Sang-Yu Lee

Dong-Min Yeo

Joo-Woan Cho

Byung-Choon Yang

Yong-Hoon Kwon

Si-Joon Song

Young-keun Lee

Sang-Gil Lee

Seock-Hwan Kang

Chun-Ho Song

Jong-Seo Lee

Byoung-Dae Ye

Ho-Sik Shin

Yong-Woo Lee

Seong-Sik Choi

Sang-Il Park

Moon-Hwan Chang

Eun-Jeong Kang

Eui-Jeong Kang

In-Sun Hwang

Sung-wook Kang

Young-Jun Seo

Hoi-Sik Moon

Jung-Hyeon Kim

Taek-Sun Shin

Heu-Gon Kim

Byung-Seo Yoon

Jin-Soo Shin

Seok-Won Kang

Jun-Hee Son

Gi-Cheri Kim

Chul-Hyun Choi

Joon-Chul Goh

Sang-Hoon Lee

Young-Min Park

Bong-Hyun You

Dong-Hoon Kim

Jin-Sung Choi

Seong-Yong Hwang

Sung-Kyu Shim

Tae-hyung Kim

Joong-Hyun Kim

Kang-Woo Lee

Joon-Hak Oh

Seung-Hwa Ha

Chi-O Cho

Seung-Mo Kim

Byung-Duk Yang

Jae-Joong Kwon

Hee-Kwang Song

Tae-Seok Jang

Sang-chul Byun

Cheol-Yong Noh

Yong-hoon Kwon

Seung-Hwan Chung

Kwang-Hoon Lee

Sung-kyu Lee

Eun-Chae Jeon

Gi-Chang Park

Sang-yu Lee

Jin-Yong Park

Gennady Ivanov

Nam-Ok Kwon

Sang-II Park

Jeom-oh Kim

Gi-Cherl Samsung Apt Kim

Sang-Yu Samsung Apt Lee

Seok-Hyun Hyundai Apt Nam

A display apparatus includes an image sensor, a display panel, a timing controller, and a data driver. The image sensor senses a background image and generates background image data based on the background image. The display panel includes a first group of pixels disposed on a first area of the display panel and a second group of pixels disposed on a second area of the display panel. The timing controller extracts partial image data corresponding to the first area from input image data and partial background image data corresponding to the second area from the first background image data. The data driver generates first data voltages based on the partial image data, generates second data voltages based on the partial background image data, to output the first data voltages to the first group of pixels, and to output the second data voltages to the second group of pixels.

Display apparatus for extracting background and image data and method of driving the same

A liquid crystal display includes a display panel having a lower substrate, an upper substrate disposed opposite to the lower substrate, and a liquid crystal layer disposed between the lower and upper substrates, a light source which emits light, a glass light guide plate which diffuses the light from the light source to the display panel, and a first bonding member which bonds the lower substrate to the glass light guide plate.

Liquid crystal display and manufacturing method thereof

A liquid crystal display panel comprises a backlight unit including an optical assembly and configured to differentiate the liquid crystal display panel into a plurality of blocks and to illuminate light to each of the plurality of blocks; a location sensor configured to sense a location of a user watching the liquid crystal display panel; a backlight controller configured to output a dimming value corresponding to a brightness of each of the plurality of blocks according to a result of sensing by the location sensor; and a backlight driver configured to generate a driving current corresponding to the dimming value of each block and to provide the generated driving current to the backlight unit corresponding to each of the plurality of blocks.

Liquid crystal display device and driving method thereof

A method of dimming a light source module including a light guide plate, a first light emitting module including first to k-th light source blocks, wherein the first light emitting module is disposed on a first edge of the light guide plate, and a second light emitting module including first to m-th light source blocks, the second light emitting module being disposed on a second edge of the light guide plate, the second edge disposed opposite the first, the method including; generating a first group of driving signals and a second group of driving signals based on an image signal and driving the first to k-th light source blocks using the first group of the driving signals during a first period in a reference period and driving the first to m-th light source blocks using the second group of driving signals during a second period in the reference period.

Method of dimming a light source and display apparatus for performing the method

A lens has a refractive index of n, and includes a base, a first curved circumferential surface extending from the base, a curved center-edge surface extending from the first curved circumferential surface, and a curved centermost surface extending from the curved center-edge surface. The base includes a groove for receiving a light emitting chip. A distance from a center of the base to a point of the curved center-edge surface is shorter than the radius of curvature for the point of the curved center-edge surface. The curved centermost surface has a concave shape with respect to the base. The lens satisfies A1+A2&#x3c;90+sin(1/n), where A1 an obtuse angle between a main axis and a tangent line of the curved centermost surface, and A2 is an acute angle between a straight line linking the center of the base to the point of the curved centermost surface and the main axis.

Light emitting diode and lens for the same

A display device includes a light source unit generating light a display unit displaying an image using the light generated from the light source unit and a display part displaying a symbol, the display part disposed on the display unit, wherein the symbol is determined based on a type of the light source unit, a driving method of the light source unit or a luminance generated from the light source unit.

Display device

A liquid crystal display ('LCD') module includes a liquid crystal panel, a mold frame provided below the liquid crystal panel and supporting the liquid crystal panel, a light guide plate provided below the mold frame, and a light source assembly coupled to an outside of the mold frame to accommodate the light guide plate therein, the light source assembly partially inserted into the mold frame, and supplying light to the light guide plate.

Liquid crystal display module, display device set including the same, and method of assembling liquid crystal display module

There is provided a method of boosting a local dimming signal. In the method, it is determined whether or not local dimming signals, which are applied for individually driving light source blocks per frame, satisfy boosting conditions. Then, a predetermined local dimming signal corresponding to at least one of the light source blocks is boosted to a reference luminance value when the local dimming signals continuously satisfy the boosting conditions, and the boosting luminance of the predetermined local dimming signal at the reference luminance value is gradually decreased after a light adaptation time of an observer's eye. When the luminance of light source blocks that are boosted is gradually decreased before the light adaptation time or luminance of light source blocks that will be boosted is gradually increased to the light adaptation time, power consumption required to boost the light source blocks may be decreased.

Method of boosting a local dimming signal, boosting drive circuit for performing the method, and display apparatus having the boosting drive circuit

A display module includes a display panel including a display area and a non-display area, an upper prism layer including a plurality of parallel upper prisms at a lower surface thereof, wherein the plurality of the upper prisms are parallel to one another, a lower prism layer including a plurality of lower prisms at a lower surface thereof, wherein the plurality of the lower prisms are parallel to one another and extend in a substantially perpendicular direction to the upper prisms, and an adhesive part which is at a side of the upper prism layer and is adhered to the lower prism layer and the non-display area of the display panel, wherein the adhesive part fixes the upper prism layer and the lower prism layer to each other.

Display module and apparatus having the same

A method of driving a light source including a light source module which provides a liquid crystal display panel with light and is driven through a dimming method according to a plurality of driving blocks, the method including; calculating gradation data of an image block of the liquid crystal display panel from an external image signal by dividing the image block into a plurality of sub-blocks, determining a duty ratio of a driving signal which drives an individual driving block of the plurality of driving blocks, the individual driving block corresponding to the image block based on the gradation data, and driving the individual driving block in accordance with the duty ratio.

Method of driving a light source, backlight apparatus for performing the method and liquid crystal display apparatus having the backlight apparatus

In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a light source, a light guide, a first reflector, and an optical unit. The light guide is disposed adjacent to the light source, extends substantially parallel with a longitudinal direction of the light source, and refracts light emitted from the light source. The first reflector is disposed under the light guide and reflects the refracted light toward the optical unit. The optical unit is disposed over the first reflector such that an empty space is formed between the optical unit and the first reflector.

Backlight assembly and display apparatus having the same

A display device and a method of driving the same are provided according to one or more embodiments. According to an embodiment, the display device includes a display panel including a plurality of display blocks arranged in the form of a matrix; a plurality of lighting blocks emitting light to the display panel, each of the lighting blocks arranged so as to correspond to at least one row of the matrix and having adjustable light luminance; and a signal control unit adapted to receive an image signal, determine display block luminance of the respective display blocks when an image is displayed on the respective display blocks in accordance with the image signal, determine the light luminance of the respective lighting blocks by using the display block luminance of some display blocks corresponding to the respective lighting blocks, correct the image signal by using the light luminance and the display block luminance, and provide the corrected image signal to the display panel.

Display device and method of driving the same

A method of detecting touch positions includes; providing an external power voltage which drives a touch panel, sequentially turning on a plurality of lower driving elements connected to the touch panel, Turning on a plurality of upper driving elements connected to the touch panel to readout at least one multi-touched position corresponding to an x-coordinate, while each of lower driving elements is turned on, receiving readout position information corresponding to an x-coordinate, turning on at least one of the upper driving elements connected to the touch panel, turning on the plurality of lower driving elements connected to the touch panel to readout the at least one multi-touched position corresponding to a y-coordinate, while each of upper driving elements is turned on, receiving readout position information corresponding to the y-coordinate, turning on a sensing element, and turning off the sensing element.

Method of detecting touch positions and touch position detection apparatus for performing the method

A liquid crystal display device and a method of driving the same are provided for one or more embodiments. The liquid crystal display device includes: a liquid crystal panel including a plurality of display blocks and displaying an image in response to image signals; a plurality of light-emitting blocks emitting light to the liquid crystal panel and corresponding to the plurality of display blocks; a first look-up table including a normalized value obtained by normalizing an initial duty ratio corresponding to the brightness of the image to a maximum duty ratio corresponding to the maximum brightness of the image; and a timing controller receiving the normalized value corresponding to each of the light-emitting blocks from the first look-up table and using the normalized value to provide an optical data signal corresponding to each of the light-emitting blocks.

Liquid crystal display device and method of driving the same

A backlight assembly includes a waveguide plate guiding light, a first light-emitting module disposed on a first side of the waveguide plate, the first light-emitting module including a plurality of first light-emitting blocks, a second light-emitting module disposed on a second side of the waveguide plate, the second light-emitting module including a plurality of second light-emitting blocks, and a plurality of optical drivers controlling luminance levels of the first light-emitting blocks and the second light-emitting blocks, wherein at least one of the first light-emitting blocks, at least one of the second light-emitting blocks, and at least one of the optical drivers are connected to each other.

Backlight assembly, liquid crystal display having the backlight assembly and method of manufacturing the liquid crystal display

Growing community of inventors

Suwon-si, South Korea

Se-Ki Park