Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Lg Chem, Ltd

Lg Chemical Co., Ltd.

Yong-Hoon Kwon

Gi-Cherl Kim

Dong-Min Yeo

Se-Ki Park

Eui Jeong Kang

Seung Hwan Baek

Dongmin Yeo

Sang-Il Park

Young-keun Lee

Taeho Lee

Byungchoon Yang

Min-young Song

Si-Joon Song

Hyeeun Park

Hong-Kyu Park

Young-Jun Seo

Byung-Choon Yang

Juhwa Ha

Byoung-Dae Ye

Byoung Dae Ye

Ho-Sik Shin

Moon-Hwan Chang

Joon-Sung Bae

Tae Kwon Jung

Cheolyong Noh

Joon-Chul Goh

Jung Hyun Kim

Young-Min Park

Bong-Hyun You

Hyung-Jin Kim

Joong-Hyun Kim

Joon-Hak Oh

Ki-Young Lee

Hee-Kwang Song

Sang-chul Byun

Hyun A Lee

Joonghyun Kim

Seok-Won Kang

Ju Young Yoon

Eui-Jeong Kang

Junehyoung Park

Han Moe Cha

Hyunji Lee

Gi-Chang Park

Gi-Cheri Kim

Seong-Yong Park

Woosuk Seo

Jong-Moon Yoon

Nam-Ok Kwon

Somi Jung

Jung Kyun Kim

SungKu Baek

Young-Keun Lee

Jeom-oh Kim

Mi-Seon Kwak

Jin-On Kim

Taeoh Kim

Sang-Chul Byun

Yeon-Hee Lee

Keun-Yung Im

A method for manufacturing a display device according to an embodiment of the present invention includes providing a display substrate and an encapsulation substrate, each of which has a display area and a non-display area surrounding the display area thereon, forming a nanowire on the encapsulation substrate overlapping a sealing area defined as a partial area of the non-display area, and combining the encapsulation substrate and the display substrate with each other, wherein the forming of the nanowire includes irradiating a first laser, which is a ultrashort pulse laser, onto the encapsulation substrate overlapping the sealing area, and the combining of the encapsulation substrate and the display substrate with each other includes irradiating a second laser, which is a ultrashort pulse laser, onto the display substrate overlapping the sealing area.

Display device and method for manufacturing the same

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 display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel.

Backlight assembly and display apparatus having the same

An approach is provided for a light source module and a display device including the same. The light source module includes two first light source packages configured to emit light of a first color, one or more second light source packages disposed between the two first light source packages, and a plurality of third light source packages disposed between the two first light source packages and alternately arranged with the one or more second light source packages. The one or more second light source packages are configured to emit light of the first color and the plurality of third light source packages are configured to emit light of a second color. An intensity of light emitted from each of the one or more second light source packages is approximately twice an intensity of light emitted from each of the two first light source packages.

Light source module and display device including the same

A plurality of gray-scale values is extracted from image signals corresponding to a dimming area to calculate a mean value of the gray-scale values, and at least one of a variance, a standard deviation, a kurtosis, a skewness, a central moment, and an image moment is calculated using the mean value. Then, a representative gray-scale value corresponding to the dimming area is determined using the calculated values, and a dimming function for the light sources included in the dimming area is determined based on the representative gray-scale value. Then, the light sources included in the dimming area are driven based on the dimming function.

Method of dimming backlight assembly

A display apparatus includes a light guide plate, a light source unit and a display panel. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. The light source unit includes a light source which generates light and is disposed adjacent to the incident and has an emitting surface inclined with respect to the incident surface. An extension line of a normal line of the emitting surface passes through the opposite surface, and the light is incident into the incident surface while being inclined toward the opposite surface. The display panel displays an image by receiving the light emitted from the exit surface.

Backlight unit and display apparatus having the same

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 method for driving a light source module, the light source module including a plurality of light-emitting blocks, a driving mode of the light-emitting block providing light to a plurality of pixels displaying a unit image is determined by analyzing grayscale values corresponding to the pixels. A second driving signal is applied to the light-emitting block determined to be in a boosting mode, the second driving signal having a level higher than the level of a first driving signal applied to the light-emitting block determined to be in a normal mode.

Method for driving a light source module and display apparatus for performing the method

A liquid crystal display apparatus includes a liquid crystal display panel which displays an image, a light guide plate, a backlight unit including a light source part which generates and supplies light, and a panel temperature adjusting member on a surface of the liquid crystal display panel. The panel temperature adjusting member includes a transparent resistor, and a power supply which supplies power to the transparent resistor. The transparent resistor emits a larger amount of heat to a region of the liquid crystal display panel, which is distant from the light source part, than to a region close to the light source part, such that the liquid crystal display panel has uniform temperature distribution.

Liquid crystal display apparatuses

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 light source module includes a LED array, a switch and a control part. The LED array includes a plurality of LED rows and a bridge light emitting part connecting the LED rows with each other. Each of the LED rows has a first direction light emitting part and a second direction light emitting part which are alternately disposed with each other. The switch adjusts an intensity of a current applied to the LED array. The control part determines an output status of the LED array and provides a control signal to the switch.

Light source module, method of driving the light source module and display apparatus having the light source module

A method of driving a light source of a light source module including a red light source, a green light source and a blue light source, includes sensing a luminous intensity of the environment; and adjusting a wavelength of light generated from the light source module according to the luminous intensity of the environment.

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

A liquid crystal display (LCD) includes: a light source unit to provide light to a liquid crystal panel and includes first point light sources and second point light sources; a first timing controller to transmit a first image signal and a second image signal to the liquid crystal panel; a second timing controller to transmit optical data, which includes first information to turn on the first point light sources and the second point light sources at different times; and a light source driver to control the first point light sources and the second point light sources to be turned on and off according to the optical data. A method of driving an LCD includes turning on and off first and second point light sources according to received first and second image signals.

Liquid crystal display and method of driving the same

A light source module of a display device comprises light-emitting blocks each of which comprises multiple sets of light sources, with different sets emitting different colors (e.g. red, green and blue). Each set is independently controllable according to one or more driving parameters. A local-dimming method comprises: (a) in each color-dimming period, driving each light-emitting block by the first color-dimming process; (b) in each compensating period, driving each light-emitting block by a full-color process which is independent of the image; (c) in each compensating period, sensing emitted light and determining the one or more driving parameters' reference driving values operable to generate a reference color; (d) in at least one of the color-dimming and compensating periods, driving each light-emitting block using the one or more driving parameters' values which depend on the reference driving values; and (e) between a color-dimming period and an adjacent compensating period, gradually switching the light-source module between the first color-dimming process and the full-color process.

Local-dimming method, light source apparatus performing the local-dimming method and display apparatus having the light source apparatus

Growing community of inventors

Asan-si, South Korea

Yong-Hoon Kwon