Samsung Display Co., Ltd.

Samsung Sdi Co., Inc.

Young Gil Kwon

Mu Gyeom Kim

Sam Il Kho

Nam Choul Yang

Jae Ho Lee

Tae Wook Kang

Jae Don Lee

Ji Young Choung

Seong Taek Lee

Yeon Hwa Lee

Joon Gu Lee

Sok Won Noh

Myung Won Song

Sun Hoe Kim

Mu Hyun Kim

Jin Wook Seong

Jin Baek Choi

Duck Jung Lee

Byeong Wook Yoo

Yeun Joo Sung

Hyung Tag Lim

A method of forming an organic material pattern film, the method including: forming partition walls on a first region of a first layer, the partition walls including a fluorine containing material; forming a second layer including an organic material on a second region of the first layer, the second region being defined by the partition walls; and removing the partition walls.

Method of manufacturing substrate of organic light-emitting display device

A method of forming an organic material pattern film, the method including: forming partition walls on a first region of a first layer, the partition walls including a photosensitive compound including a resorcinarene, the resorcinarene including a perfluorocarbon group; forming a second layer including an organic material on a second region of the first layer, the second region being defined by the partition walls; removing the partition walls.

Provided is a method of manufacturing a light-emitting display device. The method of manufacturing a light-emitting display device may comprise: forming a first electrode on a substrate, the substrate having a plurality of first pixel areas and a plurality of second pixel areas, the first electrode being formed in each of the first and second pixel areas such that corresponding first and second pixels are formed; forming a pixel defining layer on the substrate, the pixel defining layer having an opening exposing the first electrode of each of the first and second pixels; forming a first photoresist pattern on the pixel defining layer, the first photoresist pattern having a first pattern opening exposing the first electrode of each of the first pixels; forming a light-emitting layer on the first electrode exposed through the first pattern opening; and removing the first photoresist pattern.

Method of manufacturing light-emitting display device

A method of manufacturing a substrate of an organic light-emitting display device, the method including: forming, on a first surface of a transparent substrate, a photothermal conversion layer configured to covert incident light into thermal energy; forming partition walls on the first surface in a first region of the photothermal conversion layer, the partition walls including a photosensitive compound including a resorcinarene, the resorcinarene including a perfluorocarbon group; forming an organic material layer on the first surface in a second region of the photothermal conversion layer, the second region being defined by the partition walls; removing the partition walls; placing a target substrate over the organic material layer; and applying light to a second surface of the transparent substrate, the second surface being opposite the first surface of the transparent substrate.

An optical patterning mask, including a base substrate, a reflective layer disposed on the base substrate, the reflective layer including a first opening, a shadow pattern disposed on the base substrate and in the first opening, a thermal insulation layer disposed on the base substrate and covering the reflective layer and the shadow pattern, an absorption layer disposed on the thermal insulation layer, a bank layer disposed on the absorption layer, the bank layer including a second opening overlapping the first opening, a thermal conduction prevention pattern disposed on the absorption layer and overlapping the shadow pattern, and a transfer layer disposed on the absorption layer, the bank layer, and the thermal conduction prevention pattern.

Optical patterning mask and method of fabricating display device using the same

An optical mask includes a light-to-heat conversion layer with an improved temperature profile. The optical masks may comprise a light-transmitting base substrate; a first reflective pattern layer which is formed on the light-transmitting base substrate comprising a first opening portion transmitting light emitted from under the light-transmitting base substrate and a first reflective portion reflecting the light; a second reflective pattern layer which is formed over the first opening portion comprising a second opening portion overlapping a first area of the first opening portion and a second reflective portion overlapping a second area of the first opening portion; and a light-to-heat conversion pattern layer which is formed on the light-transmitting base substrate, being disposed in the first area of the first opening portion, absorbing at least a part of the light, and converting the light absorbed into heat.

Optical mask

A donor substrate includes a base layer having a first surface and a second surface, a complementary hardness layer on the first surface of the base layer, and a transfer layer on the complementary hardness layer. A hardness of the complementary hardness layer is greater than that of the base layer.

Donor substrate, method of fabricating organic light-emitting display device, and organic light-emitting display device fabricated using the method

A flat panel display capable of preventing a chipping phenomenon of a pixel definition layer, and a method for making the same are disclosed. The flat panel display includes a thin film transistor formed on a substrate; a planarization layer formed on the thin film transistor; a first electrode layer formed on the planarization layer and electrically connected with the thin film transistor through the via hole formed in the planarization layer; a pixel definition layer formed on the planarization layer and in which an opening for at least partially exposing the first electrode layer is formed; an adhesive reinforcement layer formed at least between the planarization layer and the pixel definition layer on the top of the planarization layer; an emitting layer formed on the first electrode layer; and a second electrode layer formed on the emitting layer and the pixel definition layer. The flat panel display has an improved adhesive property between a pixel definition layer and an planarization layer, which prevents a chipping phenomenon of the pixel definition layer.

Flat panel display and method for making the same

A manufacturing method using an additional heat-treatment process for a donor film with improved surface roughness. The improved donor film, used in a laser induced thermal imaging method, is capable of enhancing the lifetime of products and reducing the defect rates thereof. A manufacturing method for a donor film according to the invention, includes: providing a donor film comprising a base film, a light-to-heat conversion layer and an organic film; heating the donor film to provide a heat-treated donor film; and cooling the heat-treated donor film. The surface roughness of a donor film can be improved, and the non-uniform distribution of a laser on a region subjected to the LITI process can be minimized to prevent the over- or under-transfer of an transferred organic film, etc., and the non-uniform adhesion of the transferred organic film with an acceptor substrate.

Growing community of inventors

Suwon-si, South Korea

Young Gil Kwon