Samsung Display Co., Ltd.

Korea University Research and Business Foundation

Moon Gyu Lee

Dae Ho Yoon

Tae Woo Kim

Seung Won Park

Min Hyuck Kang

Lei Xie

Eun Ae Kwak

Su Mi Lee

Hyeong Gyu Jang

Joona Bang

Eun-ae Kwak

Byoung Ho Cheong

Hyun Jung Jung

Young Chan Kim

Byung Han Yoo

Hyun Jin Cho

Seung-Won Park

Oleg Prudnikov

Jae Ho You

Jun Han Lee

Kyu Seok Kim

Bong-Jin Moon

Myung Im Kim

Min-Hyuck Kang

Xie Lei

Jee Hong Min

Mio Hyuck Kang

Jeong Min Seo

A method of fabricating a wire grid polarizer includes sequentially depositing a conductive wire pattern layer, and a plurality of guide patterns which forms one or more trenches therebetween on the conductive wire pattern layer, hydrophobically treating surfaces of the conductive wire pattern layer exposed in the trenches, and the guide patterns, coating the hydrophobically treated conductive wire pattern layer in the trenches with a neutral layer to partially fill the trenches, filling a remainder of the trenches with a block copolymer of two monomers with different etching rates, aligning the block copolymer filled in the trenches, selectively removing blocks of one monomer among the two monomers from the aligned block copolymer, and patterning the conductive wire pattern layer by using blocks of the other monomer among the two monomers remaining in the trenches and the guide patterns as a mask.

Wire grid polarizer and method of fabricating the same

Provided is a wire grid polarizing plate. The wire grid polarizing plate comprises a light-transmitting substrate and wire grid patterns which are disposed on the light-transmitting substrate, and which are arranged to transmit first polarized light and to reflect second polarized light polarized in a direction perpendicular to that of the first polarized light, the wire grid patterns comprising target patterns comprising conductive structures shaped as closed curves, at least one of the conductive structures surrounding another one of the conductive structures with a gap therebetween.

Wire grid polarizing plate, display device including the same, and method of fabricating said display device

A patterning method includes forming guide layer patterns, which are separated from each other, on a top surface of a base substrate, forming a neutral layer, which includes a random copolymer comprising first blocks or second blocks, on an entirety of the top surface of the base substrate exposed between the guide layer patterns, forming hydrophobic layer patterns which extend from top surfaces of the guide layer patterns to side surfaces of the guide layer patterns and are separated from each other, coating a block copolymer, which comprises the first blocks and the second blocks, on a top surface of the neutral layer exposed between the hydrophobic layer patterns, alternately arranging the first blocks and the second blocks by heat-treating or solvent-annealing the block copolymer, and forming block copolymer patterns by removing the first blocks or the second blocks.

Patterning method and method of manufacturing wire grid polarizer using the same

The wire grid polarizer plate includes a light permeable substrate and a conductive pattern layer arranged on one surface of the light permeable substrate, the conductive pattern layer includes window regions and at least one reflective region arranged in a rectangular region which is circumscribed to the window regions, the window regions have target patterns including conductive simple closed curves surrounding in piles, spaced apart from each other at an interval of a period which is shorter than a wavelength of incident light, transmit first polarized light of the incident light and reflect second polarized light which is perpendicular to the first polarized light and the reflective regions reflect both of the first polarized light and the second polarized light.

Wire grid polarizer plate and display device including the same

A method of fabricating a polarizer, the method including, forming a base substrate by sequentially forming a metal layer, a guide layer, a hard mask layer, a sacrificial layer, and a first photoresist layer on a light-transmitting substrate in a panel area and an alignment key area which are spatially separated from each other, forming a first photoresist layer pattern for forming an alignment key pattern in the alignment key area by patterning the first photoresist layer, forming a sacrificial layer pattern in the alignment key area utilizing the first photoresist layer pattern as a mask, and forming a second photoresist layer on a top surface of the sacrificial layer pattern of the alignment key area before removing the sacrificial layer of an aperture area of the panel area.

Polarizer and method of fabricating the same

A method for fabricating a wire grid polarizer according to an embodiment comprises: forming a conductive layer on a substrate; forming a guide layer on the conductive layer; forming a hard mask pattern to partially expose the guide layer; forming a guide pattern to partially expose the conductive layer; providing a block copolymer of two monomers having different etching rates; forming two sets of monomer blocks by aligning the block copolymer; selectively removing one set of monomer blocks; and forming a conductive wire pattern using the remaining set of monomer blocks and the guide pattern as etching masks. A width of an upper end of the guide pattern adjacent to the hard mask pattern is smaller than a width of a lower end adjacent to the conductive layer. The width of the upper end of the guide pattern is smaller than a width of the hard mask pattern.

Wire grid polarizer and method for fabricating the same

The present invention provides a display device including: a plurality of display panels including display areas, and non-display areas positioned alongside the display areas; an optical member having one side connected to a part of one of the display areas and an opposing side extending over an adjacent non-display area, the optical member configured to magnify an image from the part of one of the display areas and to project the magnified image over the adjacent non-display area. A multi panel display device according to the exemplary embodiment of the present invention may prevent the phenomena of image discontinuity and image distortion at edges between the display panels, and adjust a polarization characteristic to provide a high-quality large screen capable of implementing a 3D image and the like.

Multi panel display device

A wire grid polarizer includes a substrate, and a plurality of wire patterns which is arranged on the substrate at periodic intervals, where the wire patterns include first wire patterns, which are disposed on the substrate, and one or more second wire patterns, which are disposed on one or more of the first wire patterns each of the second wire patterns including at least one of a neutral pattern, a surface treatment pattern and first and second monomer block patterns.

A polarizing plate includes a substrate and a conductive pattern layer including a first pattern and a second pattern. The first pattern includes line-shaped structures disposed at intervals with a period shorter than a wavelength of incident light to be isolated from one another, the first pattern configured to transmit first polarized light of the incident light therethrough and reflect second polarized light of the incident light that is perpendicular to the first polarized light. The second pattern is disposed on an outer boundary of the first pattern, the second pattern isolated and insulated from the first pattern, the second pattern including a stem and at least one branch protruding from the stem toward the first pattern.

Polarizing plate, TFT substrate including the polarizing plate, and method of manufacturing the polarizing plate

Provided is a method of manufacturing a wire gird polarizer. The method includes sequentially stacking a conductive wire layer and a first neutral layer, forming guide patterns, reducing widths of the guide patterns and patterning the first neutral layer, forming a second neutral layer, applying a first block copolymer, arranging the first block copolymer as a first monomer block and a second monomer block, removing one of the first monomer block and the second monomer block, removing the second neutral layer exposed, removing the remaining monomer block and the guide patterns, applying a second block copolymer, arranging the second block copolymer as a third monomer block and a fourth monomer block, removing one of the third monomer block and the fourth monomer block, and patterning the conductive wire layer to thereby form conductive wire patterns.

Method of manufacturing wire grid polarizer

A method of forming a micropattern structure includes: coating a structure including a plurality of guide blocks extending in a first direction on a substrate and disposed to be spaced apart from each other in a second direction, which is perpendicular to the first direction, with a sacrificial material; ashing a portion of the sacrificial material to expose upper portions of the plurality of guide blocks; coating the structure with a first material having a polarity that is contrary to a polarity of a filling material filling the structure; heat-treating the structure to chemically bond the first material to the upper portions of the plurality of guide blocks; removing the sacrificial material and excess first material to form a first material cap chemically bonded to the upper portions of the plurality of guide blocks; and filling the structure with the filling material.

Method of forming structure including micropattern, method of forming nanopattern, and method of manufacturing display panel for liquid crystal display

A liquid crystal display device having brightness uniformity at its front and lateral sides is provided according to one or more embodiments. In one embodiment, the liquid crystal display device includes a reflection sheet reflecting light, an optical plate including a substrate for guiding light, a height-varying portion formed on one surface of the substrate, not facing the reflection sheet, and a prism pattern formed on the height-varying portion, and a plurality of light sources arranged on one lateral surface of the optical plate in a first direction so as to correspond to a position of the height-varying portion having a height not greater than an average height from the one surface of the substrate to the height-varying portion, wherein the prism pattern extends in a second direction substantially perpendicular to the first direction, and the average height is in a range of about 0.1% to about 10% of the thickness of the substrate.

Liquid crystal display device having uniform brightness

An approach is provided for manufacturing a nanostructure. A first thin film including a first block copolymer is formed on a substrate. A guide pattern is formed on the first thin film. A second thin film including a second block copolymer is formed between portions of the guide pattern. The second thin film is cured. The first block copolymer is a cylinder-type and the second block copolymer is a lamella-type.

Growing community of inventors

Suwon-si, South Korea

Moon Gyu Lee