Samsung Electronics Co., Ltd.

Farid Mukhtarov

Yasuhiro Nishida

Seon-deok Hwang

Ki-hyung Kang

Dae Sik Kim

Daesik Kim

Seung-jun Jeong

Sergey Aleksandrovich Shestak

Kyung-hoon Cha

Dong-choon Hwang

Kyung Hoon Cha

Ki-Hyung Kang

Seung-Jun Jeong

Dong-Choon Hwang

A backlight unit comprising a printed circuit board; a plurality of light sources at a surface of the printed circuit board, the plurality of light sources to emit light; and a reflective sheet, arranged above the plurality of light sources, having differing transmittance on the basis of incident angle of the light from the plurality of light sources, respectively, wherein the reflective sheet is provided with at least one gap between two adjacent light sources from among the plurality of light sources.

Backlight unit and display apparatus comprising same

Provided is a backlight unit, a display apparatus, and a method of manufacturing the display apparatus capable of securing a uniform and wide illumination area with a small number of light sources through reflection of a reflective layer. The backlight unit includes a plurality of light sources configured to emit light; a first reflective layer configured to reflect the light emitted from the plurality of light sources; and a second reflective layer configured to reflect the light reflected from the first reflective layer, wherein an amount of reflection from the first reflective layer and an amount of transmission through the first reflective layer are different from each other according to an angle of incidence of light incident on the first reflective layer.

Display apparatus including reflective layer, method of manufacturing display apparatus and backlight unit

The disclosure relates a direct type backlight unit, and provides a backlight unit capable of reducing the thickness by maintaining necessary and sufficient optical characteristics and reducing the optical distance (OD), and a liquid crystal display apparatus including the same. Provided is a backlight unit including: light source; a diffusion plate provided to diffuse light emitted from the light source; and an optical sheet disposed between the light source and the diffusion plate and having a plurality of protrusions having a pyramidal shape and the plurality of protrusions protrude toward the light source so that light emitted from the light source is incident onto the plurality of protrusions.

Backlight unit and liquid crystal display device including the same

Provided is a display apparatus including a display panel, a light guide plate arranged behind the display panel, a light guide member configured to guide light toward a rear surface of the light guide plate, the light guide member formed of a transparent material and arranged to have a front surface come in contact with the rear surface of the light guide plate, and a light source configured to supply light to the light guide member, wherein the light guide member includes a light guide portion having a width and a length longer than the width and configured to guide widthwise movement of light supplied from the light source and an exit portion protruding forward from the light guide portion to guide the light to be emitted toward the rear surface of the light guide member.

Display apparatus

A display apparatus includes a liquid crystal panel; a light source module configured to provide light to the liquid crystal panel; a printed circuit board (PCB) on which the light source module is mounted; and at least one chassis accommodating the liquid crystal panel and the PCB. The light source module includes: a substrate; a reflector positioned on the substrate, and including a curved surface having a shape resulting from rotating a portion of a parabola around a directrix of the parabola, the directrix perpendicular to the substrate; and a plurality of light sources mounted on the substrate along focal points of the parabola of the reflector.

A panel device according to various embodiments of the disclosure includes a display panel including a plurality of pixels and a polarization panel including a first polarization pattern and a second polarization pattern and disposed on the display panel to allow a boundary line between the first polarization pattern and the second polarization pattern to divide each of the pixels into a first area corresponding to the first polarization pattern and a second area corresponding to the second polarization pattern.

Panel device and display device

Disclosed is a display apparatus capable of being made thinner by reducing an optical distance OD and capable of implementing local dimming. The display apparatus includes a display panel, a light source configured to emit light toward a first direction parallel to a front surface of the display panel in order to supply the light to the display panel, and a light tunnel lens including: at least one light tunnel configured to guide the light emitted from the light source in the first direction, and a lens configured to be connected to the at least one light tunnel to diffuse the light guided by the at least one light tunnel.

The present invention relates to a prism sheet for auto-stereoscopic 3D display that is installed on the top of a liquid crystal display panel. The prism sheet for auto-stereoscopic 3D display according to the present invention, comprises a plurality of prisms disposed parallel to each other, each of which includes a central portion of which the upper and lower surfaces are parallel to each other, the central portion having a width corresponding to a plurality of subpixel columns of the liquid crystal display panel; a left inclined portion that is installed on a left side of the central portion and refracts light such that a user can view the left half of the plurality of subpixel columns covered by the central portion, wherein the left half subpixel column is visible to a user; and a right inclined portion that is installed on a right side of the central portion and refract light such that the user can view the right half of the plurality of subpixel columns covered by the central portion.

Prism sheet for auto-stereoscopic 3D display and display device including same

A three-dimensional (3D) image display apparatus includes a display panel configured to display a 3D image; a light guide panel disposed on a rear surface of the display panel to emit light to the display panel; a first light source configured to irradiate light toward the light guide panel; a second light source configured to irradiate light toward the light guide panel; and a controller configured to control the first light source and the second light source to emit light alternately, wherein the light guide panel includes a first pattern which responds to the first light source and does not respond to the second light source, and a second pattern which responds to the second light source and does not respond to the first light source.

3D image display apparatus and image display method thereof

A display device and a method of controlling the same are provided. The display device includes: a display panel including a plurality of pixels, each of which includes a plurality of sub pixels; a prism panel at one side of the display panel and including a prism array and a liquid crystal; a prism panel driver configured to apply voltage to the prism panel; and a controller configured to display a plurality of image frames on the display panel and to control a driving state of the prism panel variably while the plurality of image frames is displayed.

Display device and method of controlling the same

A mobile device is provided which is capable of displaying a hologram. The mobile device includes a main body including a screen; a light guide member disposed above the screen; an entrance optical member disposed on a surface of the light guide member; and an image hologram disposed on a surface of the light guide member and laterally spaced apart from the entrance optical member. When an area of the screen corresponding to the entrance optical member emits a light, a holographic image stored in the image hologram is displayed above the light guide member.

Mobile device capable of displaying hologram and hologram display method

A display apparatus is provided. The display apparatus includes a display panel; a backlight configured to irradiate visible ray to the display panel in a 2D mode, and configured to irradiate ultraviolet ray to the display panel in a 3D mode; and a 3D film disposed between the display panel and backlight, wherein the 3D film comprises: a pattern formed by a plurality of lines distanced from one another by a predetermined distance; and a coating layer that is formed on one side of the plurality of lines pattern and transmits or reflects light patterned by the plurality of lines pattern, per line. Accordingly, it is possible to prevent deterioration of resolution of a screen image, provide a simple structure and enable a change to and from a 2D mode and a 3D mode.

Display apparatus, 3D film and control method thereof

A display apparatus is provided. The display apparatus includes: a display panel configured to include a plurality of pixels including a plurality of sub pixels and display an image frame; a visual field divider configured to be disposed on a front surface of the display panel; and a controller configured to render and display a first image frame to display a first view image in at least some of the plurality of sub pixels and a second image frame so that a second view image is shifted and displayed based on a position in which the first view image is displayed in the at least some of the sub pixels based on a distance between the display panel and the visual field divider.

Growing community of inventors

Suwon-si, South Korea

Farid Mukhtarov