Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Lg Electronics Inc.

Lg Semicon Co., Ltd.

Goldstar, Co., Ltd.

Goldstar Electron Co., Ltd.

Hyung Ki Hong

Sung Tae Kim

Sang Hoon Kim

Hyun Woo Shin

Chul H Kwon

Dong H Yun

Hyeon S Park

Hee Jin Im

Kyuchung Lee

Yong Sung Ham

Man Hoan Lee

Byung Joo Lee

Sung Min Jung

Joung Won Woo

Un Nyoung Sa

Mi Sook Nam

Hyun Ho Shin

Hyun Kyu Lee

Gi-Hong Kim

Youn Jae Lee

Je Hong Kim

Kyu Chan Lee

Kwy Ro Lee

Hyun Ho Oh

Bong Chu Shim

Seong Moon Cho

Don Hee Lee

Won Kyu Park

Yu Jin Choi

Juun Park

Kyu C Lee

Sung Su Han

A display device includes a display panel including first to fourth pixels in a first direction, wherein each of the first to fourth pixels has a first width in the first direction and a length more than the width and in a second direction; and a backlight unit including first and second line light regions supplying light to the display panel to display three-dimensional images, wherein the first and second line light regions have a slanted angle with respect to the second direction, wherein light from the first line light region comes to right and left eyes of a viewer through the first and second pixels, respectively, and light from the second light region comes to the right and left eyes through the third and fourth pixels, respectively, wherein the display device has K view points.

Integral photography type three-dimensional display device

Disclosed is a display device adapted to selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image is disclosed. The display device includes a liquid crystal panel displaying an image; a polarizer disposed on the liquid crystal panel; a liquid crystal lens disposed on the polarizer; and a polarizing member interposed between the liquid crystal lens and the liquid crystal panel, wherein an axis of light transmitted through the liquid crystal lens coincides with an optical axis of the polarizer. Accordingly, the display device can selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image, while improving the picture quality and the brightness.

Display device

An optical sheet for three-dimensional images and a three-dimensional image display device using the same, are discussed. According to an embodiment, the three-dimensional image display device includes a display unit to display two-dimensional images using unit pixels each including at least three colors of sub-pixels, and an optical sheet to convert the two-dimensional images into a plurality of different three-dimensional images, and the neighboring three-dimensional images are overlapped with each other by a predetermined range. With the above described configuration, the curved lenses are tilted to provide neighboring viewers with three-dimensional images overlapped with each other by 15% to 60%. As a result, a ratio of the horizontal and vertical display resolutions of the three-dimensional images can be equal to a ratio of the horizontal and vertical display resolutions of the two-dimensional images, and the quality of three-dimensional images can be improved.

Optical sheet for three-dimensional image and three-dimensional image display device using the same

A three-dimensional image display capable of reducing a difference between a resolution variation rate in a pixel column direction and a resolution variation rate in a pixel row direction and preventing a color separation phenomenon is disclosed. The three-dimensional image display includes a display panel in which n (n is a natural number) disparity images are displayed and the same disparity images are distributed and displayed in subpixels of the same color, and a lenticular sheet which divides travel paths of the disparity images using a plurality of lenticular lenses which are obliquely arranged in front of the display panel, and the long axes of the lenticular lenses are parallel to an extension line of the subpixels in which the same disparity images are displayed.

Three-dimensional image display

An in-plane switching mode liquid crystal display device includes: a lower substrate and an upper substrate which face each other; a gate line and a data line on the lower substrate such that the gate line and the data line cross each other to define a pixel region that is divided into a transmissive region and a reflective region; a thin film transistor arranged at a crossing of the gate line and the data line; a reflective plate in the reflective region; a pixel electrode and a common electrode arranged in an alternating pattern at the pixel region; a retardation layer arranged on the upper substrate to correspond to the reflective region; a liquid crystal layer between the upper substrate and the lower substrate; and a first polarizing plate and a second polarizing plate at outer surfaces of the lower substrate and the upper substrate, respectively.

In-plane switching mode liquid crystal display with a retardation layer formed directly on a color filter substrate in a reflection region

The blood pressure monitoring apparatus and method are disclosed that can monitor a blood pressure of a subject using an electrocardiogram signal, a pulse wave signal and a body characteristic information of the subject, wherein the electrocardiogram signal and the pulse wave signal of the subject are monitored to remove a noise signal generated from monitoring of the pulse wave signal, allowing monitoring a precise blood pressure of the subject, and calculating the pulse wave analysis information using the monitored pulse wave signal, and using the electrocardiogram signal and the pulse wave signal to calculate a pulse transit time (PPT), and plugging a calculated pulse wave propagation time, pulse wave analysis information and body characteristic information of the subject into a predetermined regression equation to monitor the blood pressure.

Blood pressure monitoring apparatus and method

An IPS mode LCD includes first and second substrates. A thin film transistor and a color filter layer are formed on the first substrate. A common electrode and a pixel electrode are arranged in a zigzag configuration on the first substrate. A liquid crystal layer is disposed between the first and second substrates.

In plane switching mode liquid crystal display device and fabrication method thereof

A liquid crystal display system is provided where a light irradiated onto each pixel provided at a liquid crystal display panel can be divided for each frame interval to selectively transmit and absorb the divided light. A liquid crystal display device includes a liquid crystal display panel and a timing controller that controls switching of a light transmission area and a light absorption area of the plurality of pixels for each frame interval. A liquid crystal shutter selectively absorbs and transmits a light irradiated onto each pixel for each frame interval. Electrode lines provided in a horizontal direction are symmetrically arranged at a front side of the liquid crystal display panel. The electrode lines makes a pair to be positioned at the front side of each pixel in the horizontal direction. A shutter driver alternately supplies a current to the pair of electrode lines positioned at the front side of each pixel in response to a control of the timing controller.

Liquid crystal display and driving method thereof

A multi-view image display device adapted to display images different from each other using one screen of a display panel is disclosed. The multi-view image display device includes a display panel inclusive of a first color filter array having a first red sub-pixel, a first green sub-pixel and a first blue sub-pixel that constitute a first image, and a second red sub-pixel, a second green sub-pixel and a second blue sub-pixel that constitute a second image; and a color filter barrier substrate inclusive of a second color filter array that is separated from the display panel with a fixed distance and has red, green and blue color filters. The red color filter of the second color filter array corresponds to the first blue sub-pixel and the second green sub-pixel of the first color filter array. The green color filter of the second color filter array corresponds to the first red sub-pixel and the second blue sub-pixel of the first color filter array. The blue color filter of the second color filter array corresponds to the first green sub-pixel and the second red-sub-pixel of the first color filter array.

Multi-view display device having particular color filter arrays

An electrically-driven liquid crystal lens, which can be switched between a convex lens and a concave lens by changing an optical path difference based on an electric field application, and a stereoscopic display device using the same are disclosed. The electrically-driven liquid crystal lens includes first and second substrates arranged opposite each other and each defining a plurality of lens regions, a plurality of first electrodes formed on the first substrate based on the lens region and spaced apart from one another, a second electrode formed over the entire surface of the second substrate, a liquid crystal layer filled between the first substrate and the second substrate, first and second voltage sources to apply different voltages to the plurality of first electrodes in each lens region, the first and second voltage sources providing the liquid crystal layer between the first and second substrates with a convex lens optical path difference and a concave lens optical path difference, respectively, with respect to each lens region, and a selector to select any one of the first and second voltage sources so as to apply voltages to the first electrodes.

Electrically-driven liquid crystal lens and stereoscopic display device using the same

A three-dimensional image display device including a display device having odd-numbered sub-pixel columns for displaying a left image and even-numbered sub-pixel columns for displaying a right image; a first set of sub-pixels disposed in a same first horizontal line of adjacent odd-numbered sub-pixel columns have different colors; a second set of sub-pixels disposed in a same second horizontal line of adjacent even-numbered sub-pixels column have different colors; a screen positioned away from the display device for displaying the right and left images; and a slit barrier disposed between the display device and the screen for screening light from the display device.

A stereoscopic display device using an electrically-driven liquid crystal lens is disclosed. The stereoscopic display device includes a display panel, a light source to emit light, and an electrically-driven liquid crystal lens provided between the display panel and the light source and having a reflective electrode to intercept a part of the light emitted from the light source, the electrically-driven liquid crystal lens enabling a wide viewing angle or narrow viewing angle display according to whether or not voltages are applied thereto.

Stereoscopic display device using electrically-driven liquid crystal lens

An in-plane switching mode liquid crystal display (LCD) device, which reduces loss in transmittance and improves reflectance, and a method for fabricating the same are disclosed. The in-plane switching mode LCD device includes gate and data lines orthogonally crossing each other on a first substrate to define pixel regions having reflection portions and transmission portions; thin film transistors formed at the crossing of the gate and data lines; common electrodes formed at the transmission portions of the pixel regions; reflection electrodes formed at the reflection portions of the pixel regions; pixel electrodes formed parallel with the common electrodes at the transmission portions and formed above the reflection electrodes at the reflection portions; a second substrate facing and attached to the first substrate; a liquid crystal layer interposed between the first and second substrates; and first and second polarizing films respectively attached to outer surfaces of the first and second substrates.

Method for fabricating an in-plane switching mode liquid crystal display device

A backlight unit includes at least one light emitting diode; and a diffusion plate over the at least one light emitting diode and including at least one opening portion corresponding to the at least one light emitting diode, wherein the at least one opening portion has a disconnected ring shape, and the diffusion plate further includes a first portion directly above the at least one light emitting diode and surrounded by the at least one opening portion, a second portion surrounding the at least one opening portion, and a third portion coupling the first and second portions.

Backlight unit comprising diffusion plate with opening portion having a disconnected ring shape and liquid crystal display device including the same

An liquid crystal lens for improving a viewing angle and reducing crosstalk caused at the center of an electrode in a multi-view stereoscopic display fashion using an increased number of views per a viewing zone, and a stereoscopic display device using the same are disclosed. The display device includes a display panel having a plurality of sub-pixels in a matrix pattern to emit a 2-dimensional image signal, and an electrically-driven liquid crystal lens located at an upper surface of the display panel and including lens regions having a crosswise width equal to 'm', a multiple of a crosswise width of a single sub-pixel and a lengthwise width equal to 'n', a multiple of a lengthwise width of the sub-pixel, the lens regions of one line being shifted more than the lens regions of a following line by a distance &#x201c;a&#x201d; when viewed from a column direction.

Growing community of inventors

Seoul, South Korea

Hyung Ki Hong