Samsung Display Co., Ltd.

Seong Yong Hwang

Sang Won Lee

Young Min Park

Sung Kyu Shim

Tae Gil Kang

Ju Young Yoon

Jin Su Park

Do Hun Kim

Kyung Min Kim

Hyuk Hwan Kim

Byung Seo Yoon

Jae Jin Choi

Sang Hoon Lee

Sung Hoon Kim

Jong Hwan Kim

Dong Hoon Kim

Ji Won Lee

Jae Sul An

Jin Soo Shin

Taek Sun Shin

Ji Eun Nam

Wee Joon Jeong

Joong Hyun Kim

Da Woon Kim

Jun Hee Son

Eun Guk Lee

Hyeon Mi Lee

Hyun Hwa Song

Hye Eun Park

Hyeon Seon Jeong

You Jin Seo

Provided are an optical member, a display device including the same, and method for fabricating the optical member. The optical sheet includes an adhesive layer; and an optical pattern in contact with a first surface of the adhesive layer; and a release film in contact with a second surface of the adhesive layer, opposite to the first surface, wherein the optical pattern comprises a first pattern extending in a first direction, and a plurality of second patterns formed on the first pattern, wherein the first pattern comprises peak portions having a largest thickness and depressed portions having a smallest thickness, and the adhesive layer comprises a third pattern of recesses respectively aligned with the depressed portions of the first pattern, and a fourth pattern of recesses respectively aligned with the plurality of second patterns.

Optical member, display device including the same and method for fabricating optical member

An optical member and a display device including the same. The optical member includes a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.

Optical member and display device including the same

An optical member includes a light guide plate, a first low refractive layer, a wavelength conversion layer, and a passivation layer. The first low refractive layer is disposed on the light guide plate. A refractive index of the first low refractive layer is smaller than a refractive index of the light guide plate. The wavelength conversion layer is disposed on the first low refractive layer. The passivation layer is disposed on the wavelength conversion layer. The passivation layer covers a side surface of the wavelength conversion layer and a side surface of the first low refractive layer on at least one side.

An optical member and display device, the optical member including a diffuser plate, a wavelength conversion layer disposed on a top surface of the diffuser plate, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer on at least one side thereof, and a diffusing pattern layer disposed on and in direct contact with a bottom surface of the diffuser plate and containing diffusion particles.

An optical member includes a light guide plate having a top surface, a bottom surface, and side surfaces that connect the top surface and the bottom surface three-dimensionally and have a smaller area than the top surface and the bottom surface, a low refractive layer disposed on a side surface of the light guide plate and having a lower refractive layer than the light guide plate, and a wavelength conversion layer disposed on the low refractive layer, the wavelength conversion layer receiving first wavelength light and converting the first wavelength light into second wavelength light, which is of a different wavelength band from the first wavelength light.

An optical member includes a light guide plate, a wavelength conversion layer, and a reflective tape. The wavelength conversion layer is disposed on an upper surface of the light guide plate. The reflective tape includes a first side portion covering first side surfaces of the light guide plate and the wavelength conversion layer. The reflective tape includes a first surface and a second surface. The first surface is configured to reflect light of a first wavelength band and light of a second wavelength band different from the first wavelength band. The second surface is configured to absorb the light of the first wavelength band.

An optical member including a light guide plate, a low refractive layer disposed on an upper surface of the light guide plate and having a lower refractive index than the light guide plate, a wavelength conversion layer disposed on the low refractive layer, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive layer, and an optical pattern formed on a lower surface of the light guide plate.

Optical member, display device including the same, and method of manufacturing the optical member

An optical member includes a light guide plate in which light incident thereto is propagated, including: an emission surface through which propagated light exits the light guide plate, a light incident side surface through which the light is incident to the light guide plate, and an inclined edge surface connecting the emission and light incident side surfaces to each other; and a wavelength conversion layer to which exited light from the light guide plate is incident and which converts a wavelength of the exited light, disposed facing the emission surface of the light guide plate. The inclined edge surface and emission surfaces define a boundary therebetween, and a side surface of the wavelength conversion layer which is closest to the light incident side surface is further from the light incident side surface than the boundary between the inclined edge surface and the emission surface.

Optical member and display including the same

A display device and a manufacturing method of a display device are provided. The display device comprises: an optically functional layer including a wavelength conversion material; a display panel disposed on the optically functional layer and having at least one side which protrudes outward from an edge of the optically functional layer; and a sealing member surrounding a side surface of the optically functional layer and disposed such that at least a portion of the sealing member is in contact with a lower surface of the protruding portion of the display panel, wherein the sealing member includes a light shielding material that substantially blocks visible light.

Display device and manufacturing method thereof

An optical member including a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.

Provided is a LED light source package comprising a circuit board, a light source seated on an upper portion of the circuit board, and a lens structure arranged on the upper portion of the circuit board via the light source. A surface that faces the light source in the lens structure includes a first inclined surface that projects toward the light source as going to a center portion of the lens structure.

LED light source package

A backlight unit including an optical pattern sheet and a liquid crystal display are provided. The backlight unit includes a light guide plate, a light source portion arranged adjacent to a side surface of the light guide plate to emit light, a mold frame having an extension portion that covers an upper portion of the light source portion and a part of an upper portion of the light guide plate, and an optical pattern sheet arranged on a lower portion of the extension portion to shade or diffuse incident light, wherein the optical pattern sheet includes a base film and an optical pattern portion positioned on the base film.

Optical pattern sheet, backlight unit, and liquid crystal display having the same

A backlight assembly and a display including the same are disclosed. In one aspect, the backlight assembly includes a light source unit, a light guide plate including a light incident surface and a light facing surface formed on opposing ends thereof. The light incident surface receiving light irradiated from the light source surface. The backlight assembly also includes a first reflective member placed on the light facing surface and including a plurality of first color patterns facing the light facing surface.

Growing community of inventors

Hwaseong-si, South Korea

Seong Yong Hwang