Samsung Electronics Co., Ltd.

Other

Myung-ryul Jung

Dae-hee Lee

Hyeong-sik Choi

Do-hyeon Baek

Sin-wook Hyung

Il-yong Jung

Kil-hong Lee

Kyung-ock Jeong

Jae-Hyun Park

Young-chol Lee

Byoung-Jin Cho

Jun-seok Park

Jun-seok An

Yong-dok Cha

Chi-wang Son

Nae-won Jang

Koichi Hanasaki

Yun-jung Cho

Provided are a liquid crystal panel assembly having no light guide plate (LGP) and a liquid crystal display apparatus. The liquid crystal panel assembly includes: a light source which generates light; a liquid crystal panel which displays the light generated from the light source as an image; at least one optical film disposed at a rear of the liquid crystal panel; a reflector sheet which is disposed at a rear of the optical film and reflects the light from the light source toward the optical film; a reflector which concentrates the light from the light source; an upper chassis and a lower chassis which house the light source, the liquid crystal panel, the optical film, the reflector sheet, and the reflector therebetween; and a middle chassis installed between the upper chassis and the lower chassis, wherein the reflector and the middle chassis form a single body.

Liquid crystal panel assembly and liquid crystal display apparatus

A light guide panel (LGP) for use in a liquid crystal display (LCD) apparatus includes a light-emitting pattern surface on which light-emitting patterns are formed, an opposite surface opposite to the light-emitting pattern surface, and four edge surfaces. Lenticular patterns are formed on one of the light-emitting pattern surface and the opposite surface. The light-emitting pattern surface includes a light-emitting part in which the light-emitting patterns are formed; and an edge part which extends along the four edge surfaces to enclose the light-emitting part and in which at least one fixing groove is formed to fix the LGP. The light-emitting part includes a pattern reducing region which faces the fixing groove and has a lower light-emitting pattern density than an other region of the light-emitting part.

Light guide panel and liquid crystal display apparatus having particular light-emitting pattern surface

A scanning backlight unit, a liquid crystal display and television and a television are provided herein. The backlight unit including a light source unit having plural groups of light sources which emit light in a main incidence direction; a control unit which controls the plural groups of light sources; and a light guiding plate having a bottom surface formed with a dispersion pattern dispersing the light received from the light source unit, wherein the dispersion pattern includes a plurality of grooves, with a groove of the plurality of grooves having a shape with a first size parallel to the main incidence direction and a second size perpendicular to the main incidence direction, and wherein the first size is larger than the second size.

Scanning backlight unit and liquid crystal display having the same

A light guide plate, a backlight unit and a display apparatus including the same and a manufacturing method thereof are provided. The light guide plate includes: a body which includes an incident surface and an emission surface; at least one first optical path converter which is formed in an opposite surface of the body which is opposite to the emission surface, and extends continuously in a first direction to convert an optical path of an incident light introduced through the incident surface so that the incident light passes through the emission surface; and at least one second optical path converter which is formed in the opposite surface, and is arranged discontinuously in at least one row extending in the first direction.

Light guide plate, backlight unit and display apparatus including the same and manufacturing method thereof

A backlight unit, light guide panel, and liquid crystal display (LCD) apparatus having the same are provided. The backlight unit includes a light guide panel which comprises a plurality of patterns to scatter light forward on a bottom surface, and one or more fixing grooves on an edge area; a light source unit which is disposed on a side surface of the light guide panel, and emits light towards the light guide panel; and a supporting member which supports the light guide panel, and comprises one ore more fixing protrusions being inserted into the fixing groove, wherein the amount of patterns formed on a darkness occurring area adjacent to the fixing groove is increased compared to that on an adjacent area, and the amount of patterns formed on a bright line occurring area adjacent to the fixing groove is decreased compared to that on an adjacent area.

Liquid crystal display apparatus having different size and amount of patterns formed on different areas of bottom surface of a light guide panel of a backlight unit

A backlight unit of a display apparatus is provided. The backlight unit includes a display housing, a light source which is arranged along an inner circumference the display housing, a light guide plate through which light of the light source is transmitted, and which forms surface light, an optical sheet which is disposed on an upper side of the light guide plate to upwardly diffuse the light of the light source transmitted through the light guide plate, a plurality of first fixing units, each of which fix both the light guide plate and the optical sheet, a plurality of second fixing units which support only the light guide plate, and a support frame which is connected to the display housing to fix the optical sheet to the display housing provisionally, and has a window formed on a surface corresponding to the light guide plate to allow light to pass therethrough.

Backlight unit of display apparatus

A backlight unit including: a light emitting diode (LED) module including a metal substrate and an LED which is disposed on a first side of the metal substrate; a frame on which the LED module is mounted; a first mounting portion formed lengthwise on the LED module; and a second mounting portion formed on the frame, the second mounting portion remaining within a width of the LED module.

Backlight unit and liquid crystal display having the same

An optical system for a projector and a projection method. An optical system for a projector consistent with the present invention comprises a light source; a projection lens for externally projecting light incident from the light source; an image-forming panel disposed between the light source and the projection lens for modulating the light incident at a certain incident angle from the light source, forming an image, and reflecting the formed image onto the projection lens; and a light integrator disposed between the light source and the image-forming panel, wherein the light integrator transforms a cross-sectional face of the light, incident from the light source and radiated onto the image-forming panel at a certain incident angle, into a shape corresponding to the image-forming panel plane so that the cross-sectional face of the light has the same margin width around edges of the image-forming panel plane. Accordingly, an optical system consistent with the present invention can radiate a uniform amount of light onto the image-forming panel and maximize the radiation efficiency of a light source.

Optical system for a projector and a projection method using the same

An illumination system for a display apparatus is capable of reducing electric power consumption and lengthening a life span by minimizing a loss of marginal rays that are spaced away from a main optical axis. The minimum loss of the marginal rays is obtained by a light reflective surface of a predetermined degree of curvature formed on an optical device for diffuse-reflecting and altering an optical path of a light from a light source.

Growing community of inventors

Hwaseong-si, South Korea

Myung-ryul Jung