Patent application number | Description | Published |
20080199788 | MANUFACTURING METHOD OF THIN FILM TRANSISTOR ARRAY PANEL USING AN OPTICAL MASK - A photo mask is provided. The mask includes: a transmitting area and a translucent area, wherein the translucent area includes a plurality of light blocking portions blocking light, and wherein the light blocking portions have a plurality of areas blocking different amounts of light. By using this type of photo mask, a substantially flat layer of photoresist film can be deposited even on top of an uneven surface. The flat photoresist film reduces processing cost and enhances the reliability of the panel manufacturing process. | 08-21-2008 |
20090030103 | METHOD OF FABRICATING A THIN FILM TRANSISTOR SUBSTRATE AND A PHOTOSENSITIVE COMPOSITION USED IN THE THIN FILM TRANSISTOR SUBSTRATE - Disclosed is a method of producing a thin film transistor substrate having high light sensitivity, heat-resistance, impact resistance, and a photosensitive composition used by the same, the method including forming data wires on an insulating substrate, forming an organic insulating film on the data wires by applying a photosensitive composition comprising a terpolymer, where the terpolymer is derived from monomers of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride, or a mixture thereof, an unsaturated epoxy group-containing compound, and an olefinic compound. | 01-29-2009 |
20090042127 | PHOTORESIST COMPOSITION AND METHOD OF FORMING A PHOTORESIST PATTERN USING THE SAME - A photoresist composition comprises about 0.5 to about 20 parts by weight of a photo-acid generator, about 10 to about 70 parts by weight of a novolac resin containing a hydroxyl group, about 1 to about 40 parts by weight of a cross-linker that comprises an alkoxymethylmelamine compound, and about 10 to about 150 parts by weight of a solvent. | 02-12-2009 |
20090090911 | Manufacturing thin film transistor array panels for flat panel displays - A thin film transistor array panel for a flat panel display includes a substrate, a first signal line formed on the substrate, a second signal line intersecting and insulated from the first signal line, a switching element having a first terminal connected to the first signal line, a second terminal connected to the second signal line, and a third terminal, a pixel electrode connected to the third terminal of the switching element, and first and second light blocking members extending parallel to the second signal line, each being disposed on an opposite side of and partially overlapping an respective edge of the second signal line, an interval between the first and second light blocking members being in a range of from more than 1.5 μm to less than 4 μm. The array panel prevents light leakage from the display and improves its transmittance, aperture ratio and color reproducibility. | 04-09-2009 |
20090135347 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A manufacturing method of a display device, wherein the manufacturing method for an embodiment includes: forming color filters in a plurality of pixel regions; forming a conductive layer on the color filters; and separating the conductive layer in each of the pixel regions through a photolithography process and forming a pixel electrode; wherein a groove is formed between the adjacent color filters having different colors at boundaries between the pixel regions; and wherein the photolithography process uses a negative photoresist material. | 05-28-2009 |
20090176325 | HALFTONE MASK, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING AN ARRAY SUBSTRATE USING THE SAME - A halftone mask includes a transparent substrate, a light-blocking layer, a first semi-transparent layer and a second semi-transparent layer. The transparent substrate includes a light-blocking area, a light-transmitting area, a first halftone area transmitting first light, and a second halftone area transmitting second light that is less than the first light. The light-blocking layer is formed in the light-blocking area to fully block light from being transmitted. The first and second semi-transparent layers are formed on the transparent substrate. At least one of the first and second semi-transparent layers is formed in the first halftone area, and the first and second semi-transparent layers are overlapped with each other on the second halftone area. | 07-09-2009 |
20090176337 | NEGATIVE PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING ARRAY SUBSTRATE USING THE SAME - A negative photoresist composition and a method of manufacturing an array substrate. The negative photoresist composition includes a photocurable composition including an ethylene unsaturated compound containing an ethylene unsaturated bond and a photopolymerization initiator, a thermosetting composition including an alkali-soluble resin crosslinked by heat and an organic solvent. The negative photoresist composition improves stability, photosensitivity, detachability after performing a developing operation and reduces residue to improve the reliability of an organic insulation layer. Furthermore, the negative photoresist composition improves the transmittance of an organic insulation layer and reduces the variation of color coordinates to improve the display quality of a display apparatus. | 07-09-2009 |
20090184325 | METHOD OF PLANARIZING SUBSTRATE, ARRAY SUBSTRATE AND METHOD OF MANUFACTURING ARRAY SUBSTRATE USING THE SAME - A method of planarizing a substrate. An organic layer is formed on a base substrate to cover a metal line formed on the base substrate. A portion of the organic layer is removed to form a pre-planarization layer exposing the metal layer, so that a surface of the base substrate having the metal line is planarized. The pre-planarization layer is cured to flow toward a side surface of the metal line to form a planarization layer making contact with the side surface of the metal line. Therefore, a stepped portion between the base substrate and the metal line can be minimized or substantially eliminated, thereby increasing the surface uniformity of a subsequent layer, thereby improving the reliability of the manufacturing process. | 07-23-2009 |
20090215233 | PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING ARRAY SUBSTRATE USING THE SAME - A photoresist composition includes a binder resin, a photo acid generator, an acryl resin having four different types of monomers, and a solvent. | 08-27-2009 |
20090237581 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - In accordance with one or more embodiments of the present disclosure, a liquid crystal display includes a first substrate, a plurality of first signal lines formed on the first substrate, a plurality of second signal lines intersecting the first signal lines, a plurality of thin film transistors connected to the first signal lines and the second signal lines, an organic insulator formed on the thin film transistors, a plurality of pixel electrodes formed on the organic insulator, a second substrate facing the first substrate, a common electrode formed on the second substrate, a sealant disposed between the first substrate and the second substrate and formed according to the circumference of the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate and disposed in a region defined by the sealant. The organic insulator includes an opening formed at a position overlapping the sealant. | 09-24-2009 |
20090258497 | PHOTORESIST RESIN, AND METHOD FOR FORMING PATTERN AND METHOD FOR MANUFACTURING DISPLAY PANEL USING THE SAME - A photoresist resin composition, a method for forming a pattern and a method for manufacturing a display panel using the photoresist resin composition are disclosed. The photoresist resin composition includes an alkali soluble resin, a photoresist compound, and a solvent, wherein the alkali soluble resin includes a first polymer resin represented by the following Chemical Formula 1, wherein, of R | 10-15-2009 |
20090269920 | METHOD OF FORMING INTERCONNECTION LINE AND METHOD OF MANUFACTURING THIN FILM TRANSISTOR SUBSTRATE - A method of forming an interconnection line and a method of manufacturing a thin film transistor substrate are provided in accordance with one or more embodiments of the present invention. The method of forming an interconnection line in accordance with one or more embodiments of the present invention includes preparing a substrate, forming a lower organic layer and an upper organic layer on the substrate in lamination, forming trenches in parts of the upper organic layer and the lower organic layer, forming a lower interconnection layer in the trenches formed in parts of the lower organic layer, removing the upper organic layer, and filling the trenches formed in parts of the lower organic layer with an upper interconnection layer. | 10-29-2009 |
20090296062 | METHOD OF MEASURING POSITION ERROR OF BEAM OF EXPOSURE APPARATUS AND EXPOSURE APPARATUS USING THE SAME - A method of measuring a position error of a beam of an exposure apparatus and an exposure apparatus using the same are provided. An exposure apparatus using a digital micromirror device (DMD) element instead of a mask measures a radiation amount of a beam that passes through each pinhole using a mask including a pinhole, and when the radiation amount is less than a reference value, it is determined that an exposure beam has a position error. By using the exposure apparatus and a method of measuring a position error of a beam, a measurement time period is reduced, and a position error of a beam is simply and accurately determined. | 12-03-2009 |
20100009482 | PHOTORESIST COMPOSITION, METHOD OF FORMING A METAL PATTERN, AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE USING THE SAME - A photoresist composition includes 5% to 50% by weight of an alkali-soluble resin, 0.5% to 30% by weight of a quinone diazide compound, 0.1% to 15 % by weight of a curing agent, and a remainder of an organic solvent. A method of forming a metal pattern includes coating a photoresist composition on a base substrate having a metal layer, and forming a first photoresist film. The photoresist composition includes 5% to 50% by weight of an alkali-soluble resin, 0.5% to 30% by weight of a quinone diazide compound, 0.1% to 15% by weight of a curing agent, and a remainder of an organic solvent. The first photoresist film is patterned, and forms a first photo pattern. The base substrate having the first photo pattern is heated, and forms a first baked pattern. The metal layer is patterned using the first baked pattern, and forms a metal pattern. | 01-14-2010 |
20100055851 | PHOTORESIST COMPOSTION, METHOD FOR FORMING THIN FILM PATTERNS, AND METHOD FOR MANUFACTURING A THIN FILM TRANSISTOR USING THE SAME - The present invention relates to a photoresist composition that comprises a resin that is represented by Formula 1, a method for forming a thin film pattern, and a method for manufacturing a thin film transistor array panel by using the same. | 03-04-2010 |
20100097591 | Exposure apparatuses and methods - An exposure apparatus may include: a stage configured to move a substrate; an optical unit configured to generate and project a plurality of laser beams; and a control unit configured to measure straightness of the stage by controlling the projection of the laser beams to an exposed surface of the substrate while moving the stage. A method to measure straightness of a stage in an exposure apparatus may include: placing a substrate on the stage; moving the stage and substrate; generating a plurality of laser beams; projecting the laser beams to the substrate on the stage; and measuring the straightness of the stage by projecting the laser beams to an exposed surface of the substrate. | 04-22-2010 |
20100167206 | PHOTORESIST COMPOSITION AND METHOD FOR MANUFACTURING A DISPLAY SUBSTRATE USING THE PHOTORESIST COMPOSITION - A photoresist composition includes a novolac resin, a benzophenone photosensitizer and an ethylidyne tris phenol photosensitizer, and an organic solvent. Thus, a micropattern having a higher resolution than the resolution of an exposure apparatus is formed to decrease an amount of exposure and/or exposure time, thereby improving manufacturing reliability and productivity. | 07-01-2010 |
20100167476 | PHOTORESIST COMPOSITION AND METHOD OF FABRICATING THIN FILM TRANSISTOR SUBSTRATE - The present invention relates to a photoresist composition for digital exposure and a method of fabricating a thin film transistor substrate. The photoresist composition for digital exposure includes a binder resin including a novolak resin and a compound represented by the chemical formula (1), a photosensitizer including a diazide-based compound, and a solvent: | 07-01-2010 |
20100203449 | METHOD OF FABRICATING THIN FILM TRANSISTOR SUBSTRATE AND NEGATIVE PHOTORESIST COMPOSITION USED THEREIN - A method of fabricating a thin film transistor substrate and a negative photoresist composition used therein are provided, which can reduce pattern inferiority. The method of fabricating a thin film transistor substrate includes forming a conductive film composed of a conductive material on a substrate, forming an etch pattern composed of a negative photoresist composition on the conductive film, and forming a conductive pattern by etching the conductive film using the etch pattern as an etching mask, wherein the negative photoresist composition includes 10-50 parts by weight of novolak resin including a hydroxyl group that is soluble in an alkali developing solution, 0.5-10 parts by weight of a first photo acid generator represented by the following formula (1), 0.5-10 parts by weight of a second photo acid generator represented by the following formula (2), 1-20 parts by weight of a cross-linking agent, and 10-90 parts by weight of a solvent: | 08-12-2010 |
20100208222 | Exposure apparatus and method to measure beam position and assign address using the same - An exposure apparatus and a method to measure a beam position and assigning an address using the same are disclosed. The exposure apparatus includes a Digital Micromirror Device (DMD) having a plurality of micromirrors, each micromirror to modulate light projected from a light source and project a modulated DMD beam onto an exposed surface, a measurement mask to measure positions of the DMD beams projected onto the exposed surface, a sensor to detect light intensities of the DMD beams measured by the measurement mask, and a controller to determine the positions of the DMD beams according to the detected light intensities. | 08-19-2010 |
20110140094 | THIN FILM TRANSISTOR ARRAY PANEL AND MANUFACTURING METHOD THEREOF - A thin film transistor array panel according to an exemplary embodiment of the present invention includes: a gate electrode disposed on an insulation substrate; a gate insulating layer disposed on the gate electrode; a semiconductor disposed on the gate insulating layer; an etching stop layer disposed on the semiconductor; an insulating layer disposed on the gate insulating layer; and a source electrode and a drain electrode overlapping the semiconductor. The semiconductor and the gate insulating layer have a first portion on which the etching stop layer and the insulating layer are disposed, and a second portion on which etching stop layer and the insulating layer are not disposed. The source electrode and the drain electrode are disposed on the second portion of the semiconductor and the gate insulating layer | 06-16-2011 |
20110149297 | Maskless exposure apparatus and multi-head alignment method thereof - Example embodiments are directed to a mask-less exposure apparatus configured to expose a pattern on a substrate using a light modulation device and a multi-head alignment method thereof. According to example embodiments, a beam measurement device measures positions and focuses of at least three beams from among a plurality of beams emitted from multiple heads, the measurement enabling alignment of a position and an angle of a lens barrel deviated from a reference position according to an error in position and focus of the measured at least three beams. | 06-23-2011 |
20110157569 | Maskless exposure apparatus and control method thereof - Example embodiments are directed to a maskless exposure apparatus that generates and/or corrects exposure data using at least one information of intensity information, central position information, focus information, and/or shape information of a plurality of beams acquired using a measurement optical system, and a control method thereof. The maskless exposure apparatus includes the measurement optical system including a photo sensor and an image sensor, and a control unit configured to generate and/or correct the exposure data using the information acquired by the measurement optical system. | 06-30-2011 |
20110171581 | PHOTORESIST COMPOSTION AND METHOD OF MANUFACTURING ARRAY SUBSTRATE USING THE SAME - A photoresist composition includes a binder resin, a photo acid generator, an acryl resin having four different types of monomers, and a solvent. | 07-14-2011 |
20110199620 | METHOD OF DETERMINING AN OVERLAP DISTANCE OF AN OPTICAL HEAD AND DIGITAL EXPOSURE DEVICE USING THE METHOD - An apparatus and a method for determining an overlap distance of an optical head is disclosed. Positions and light amount distributions of each light spot can be measured, which may be provided from an optical head to a substrate. Gaussian distribution may be applied to the positions and the light amount distributions to calculate a compensation model of each of the light spots. A first accumulated light amount corresponding to each first area of the substrate may be calculated if the optical head is scanning along a first direction of the substrate using the compensation model. A second accumulated light amount corresponding to each second area overlapped with the each first area is calculated if the optical head is scanning along the first direction, which is moved in a second direction by a first distance using the compensation model. An overlap distance may be determined based on a uniformity of summations of the first and second accumulated light amount. | 08-18-2011 |
20110205508 | Digital Exposure Method and Digital Exposure Device for Performing the Method - A digital exposure method and a digital exposure device for performing the method are disclosed. In the method, a graphic data system file is produced in correspondence with each of a plurality of patterns formed on a substrate. Then, a digital micromirror device on/off data is generated from the graphic data system file. Then, the substrate is exposed in response to the digital micromirror device on/off data. Thus, at least a first exposure for forming a first pattern of a display panel, and a second exposure for forming identification numbers of a substrate and each display panel and removing an edge portion of the substrate may be simultaneously performed, to simplify the exposure process decrease costs. | 08-25-2011 |
20110230019 | METHOD OF MANUFACTURING A THIN-FILM TRANSISTOR AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE USING THE SAME - An approach for patterning and etching without a mask is provided in a manufacturing a thin-film transistor, a gate electrode, a gate insulating layer, a semiconductor layer, an ohmic contact layer and source metal layer of a substrate. A first photoresist pattern including a first photo pattern and a second photo pattern is formed using a digital exposure device by generating a plurality of spot beams, the first photo pattern is formed to a first region of the base substrate and has a first thickness, and the second photo pattern is formed to a second region adjacent to the first region, and has a second thickness and a width in a range of about 50% to about 60% of a diameter of the spot beam. The source metal layer is patterned to form a source electrode and a drain electrode, and the source electrode and the drain electrode are spaced apart from each other in the first region of an active pattern. | 09-22-2011 |
20110236825 | PHOTORESIST COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN USING THE SAME - In a photoresist composition suitable for forming a photoresist pattern having a high profile angle, and a method of forming a photoresist pattern using the same, the photoresist composition includes an alkali-soluble resin, a quinone diazide containing compound, a compound represented by Formula 1, and a solvent: | 09-29-2011 |
20110269253 | MANUFACTURING THIN FILM TRANSISTOR ARRAY PANELS FOR FLAT PANEL DISPLAYS - A thin film transistor array panel for a flat panel display includes a substrate, a first signal line formed on the substrate, a second signal line intersecting and insulated from the first signal line, a switching element having a first terminal connected to the first signal line, a second terminal connected to the second signal line, and a third terminal, a pixel electrode connected to the third terminal of the switching element, and first and second light blocking members extending parallel to the second signal line, each being disposed on an opposite side of and partially overlapping an respective edge of the second signal line, an interval between the first and second light blocking members being in a range of from more than 1.5 μm to less than 4 μm. The array panel prevents light leakage from the display and improves its transmittance, aperture ratio and color reproducibility. | 11-03-2011 |
20110286818 | SUBSTRATE PROCESSING APPARATUS AND METHOD - According to an example embodiment a substrate processing apparatus includes a supporting unit, a lifting unit on at least a side of the supporting unit, a tray supported by the lifting unit, and a transfer unit configured to transfer a substrate to the tray such that the substrate is positioned on the tray. The lifting unit moves the tray up and down to load or unload the substrate located on the tray on or from the supporting unit. | 11-24-2011 |
20110287360 | PHOTORESIST COMPOSITION AND METHOD OF FORMING PATTERN BY USING THE SAME - A photoresist composition is provided. The photoresist composition includes an alkali-soluble resin; a photosensitizer containing a first compound that contains a diazonaphthoquinone represented by Formula 1 and a second compound that contains a diazonaphthoquinone represented by Formula 2; and a solvent. | 11-24-2011 |
20120009842 | DISPLAY DEVICE, METHOD OF MANUFACTURING THE SAME AND MASK FOR MANUFACTURING THE SAME - A mask is provided. The mask includes a mask body, a first exposing part and a second exposing part. The first exposing part is on the mask body. The first exposing part includes a first light transmitting portion and second light transmitting portions. The first light transmitting portion exposes a portion of the photoresist film corresponding to the output terminal to a light of a first light amount. The second light transmitting portions exposes an adjacent portion of the photoresist film adjacent to the output terminal to a light of a second light amount smaller than the first light amount. The second exposing part is on the mask body. The second exposing part includes third light transmitting portions for partially exposing the photoresist film corresponding to the storage electrode to a light of a third light amount that is between the first and second light amounts. | 01-12-2012 |
20120019793 | EXPOSURE APPARATUS INCLUDING THE EXPOSURE HEAD AND CONTROL METHOD THEREOF - According to example embodiments, a method of operating an exposure apparatus including a stage having a plurality of beam measurement devices, and an exposure head unit having a first set of exposure heads and a second set of exposure heads includes measuring a position of a first exposure head of the first set of exposure heads by moving the stage to coincide a first beam measurement device of the plurality of beam measurement devices with the first exposure head, setting the measured position of the first exposure head as a reference position, and measuring positions of the second set of exposure heads with respect to the reference position. | 01-26-2012 |
20120270142 | PHOTOSENSITIVE COMPOSITION AND METHOD OF MANUFACTURING A SUBSTRATE FOR A DISPLAY DEVICE USING THE SAME - A photosensitive composition and a method of manufacturing a substrate used for a display device are disclosed. The photosensitive composition includes an acrylic based copolymer, a photo-initiator, a photo-sensitizer and a solvent. Thus, a photosensitivity of the photosensitive composition for ultra violet light of a long wavelength may be improved. | 10-25-2012 |
20120301684 | PHOTOSENSITIVE FILM PATTERN AND METHOD FOR MANUFACTURING A PHOTOSENSITIVE FILM PATTERN - A method for manufacturing a photosensitive film pattern includes: forming a thin film on a substrate; forming a photosensitive film on the thin film; arranging an exposure apparatus including a photo-modulation element on the photosensitive film; exposing the photosensitive film using the exposure apparatus according to an exposure pattern of the photo-modulation element; and developing the exposed photosensitive film to form a photosensitive film pattern. The exposure pattern includes a main pattern of a quadrangular shape and a at least one assistance pattern positioned at a corner of the main pattern. The photosensitive film pattern has a quadrangular shape with a long edge and a short edge, and a corner with a curved surface having a curvature radius of 20% to 40% of a length of the short edge. | 11-29-2012 |
20120328991 | METHOD OF FABRICATING A THIN FILM TRANSISTOR SUBSTRATE AND A PHOTOSENSITIVE COMPOSITION USED IN THE THIN FILM TRANSISTOR SUBSTRATE - Disclosed is a method of producing a thin film transistor substrate having high light sensitivity, heat-resistance, impact resistance, and a photosensitive composition used by the same, the method including forming data wires on an insulating substrate, forming an organic insulating film on the data wires by applying a photosensitive composition comprising a terpolymer, where the terpolymer is derived from monomers of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride, or a mixture thereof, an unsaturated epoxy group-containing compound, and an olefinic compound. | 12-27-2012 |
20130016330 | DIGITAL EXPOSURE APPARATUS AND METHOD OF EXPOSING A SUBSTRATE USING THE SAMEAANM Yun; Sang-HyunAACI Suwon-siAACO KRAAGP Yun; Sang-Hyun Suwon-si KRAANM Kim; Cha-DongAACI Hwaseong-siAACO KRAAGP Kim; Cha-Dong Hwaseong-si KRAANM Park; Jung-InAACI SeoulAACO KRAAGP Park; Jung-In Seoul KRAANM Sim; Su-YeonAACI Changwon-siAACO KRAAGP Sim; Su-Yeon Changwon-si KRAANM Lee; Hi-KukAACI Yongin-siAACO KRAAGP Lee; Hi-Kuk Yongin-si KR - A digital exposure apparatus includes a displaceable stage, a light source part, a digital micro mirror part and a micro lens part. A substrate is disposed on the stage. The light source part generates a first light. The digital micro mirror part is disposed over the stage. The digital micro mirror part includes a plurality of digital micro mirrors. The digital micro mirror converts the first light into one or more second light beams. The micro lens part is disposed between the stage and the digital micro mirror part and includes a plurality of micro lenses. The micro lenses convert the one or more second light beams into one or more third light beams which are irradiated upon the substrate. The third light has an oval cross sectional shape. | 01-17-2013 |
20130040410 | PHOTORESIST COMPOSITION, METHOD OF FORMING A PATTERN USING THE SAME, AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE - A photoresist composition, a method of forming a pattern using the photoresist composition, and a method of manufacturing a display substrate are disclosed. A photoresist composition includes an alkali-soluble resin, a quinone diazide-based compound, a multivalent phenol-based compound, and a solvent. Therefore, photosensitivity for light having a wavelength in a range of about 392 nm to about 417 nm may be improved, and reliability of forming a photo pattern and a thin film pattern using the photoresist composition may be improved. | 02-14-2013 |
20130047758 | Z-AXIS STAGE DRIVING APPARATUS, STAGE DRIVING APPARATUS, AND METHOD FOR MANIPULATING STAGE DRIVING APPARATUS - Disclosed is Z-axis stage driving apparatus to move a stage on which a workpiece such as a wafer is placed along a Z-axis. The Z-axis stage driving apparatus includes a motor, a plurality of elevating devices to move a stage along a Z-axis, a power transmission device to transmit power of the motor to the plurality of elevating devices, and a clutch to control power transmission between the power transmission device and the elevating devices. | 02-28-2013 |
20130141714 | METHOD OF MEASURING UNIFORMITY OF EXPOSING LIGHT AND EXPOSURE SYSTEM FOR PERFORMING THE SAME - An exposure system includes an exposure apparatus, a mask, a test pattern portion and a uniformity measuring part. The exposure apparatus includes a first module and a second module. The first and second modules each emit light and are overlapped in an overlapping area. The mask includes a plurality of transmission portions which are spaced apart from each other. Each of the transmission portions has a width less than a width of the overlapping area. The test pattern portion includes a plurality of test patterns which are patterned by using the light transmitted through the transmission portions of the mask. The uniformity measuring part measures a uniformity of the test patterns. | 06-06-2013 |
20130162965 | EXPOSURE APPARATUS - An exposure apparatus includes an irradiating part which irradiates light, a light blocking member including a light condensing part at a side of the light blocking member, where the light condensing part condenses the light, a mask which is spaced apart from the light blocking member by a first distance, and a transporting part which transports a target substrate in a first direction. | 06-27-2013 |
20130302727 | PHOTORESIST COMPOSITION AND METHOD OF FORMING A COLOR FILTER USING THE SAME - Exemplary embodiments of the present invention relate to a photoresist composition and method of forming a color filter using the same. A photoresist composition according to an exemplary embodiment includes about 5% by weight to about 10% by weight of a binder resin, about 5% by weight to about 10% by weight of a monomer, about 1% by weight to about 15% by weight of a photo initiator configured to be activated a light having a peak wavelength from about 400 nm to about 410 nm, about 1% by weight to about 10% by weight of a pigment, about 0.01% by weight to about 1% by weight of a pigment dispersing agent, and a solvent. | 11-14-2013 |
20140030881 | PHOTORESIST COMPOSITION, THIN FILM TRANSISTOR ARRAY PANEL, AND METHOD OF MANUFACTURING THE SAME - A positive photoresist composition including a novolac resin, a photo active compound (PAC), a melamine crosslinking agent, and a solvent. | 01-30-2014 |
20140167298 | ALIGNMENT APPARATUS, EXPOSING APPRATUS INCLUDING THE SAME, AND MANUFACTURING METHOD OF LIQUID CRYSTAL DISPLAY DEVICE - Exemplary embodiments of the invention relate to an alignment apparatus including a source unit providing an electromagnetic signal, a receiving unit detecting the provided electromagnetic signal, and a polarization element positioned between the source unit and the receiving unit and having a transmissive axis fixed in a predetermined direction. A substrate may be positioned between the source unit and the receiving unit, and may be formed with a polarizer including a plurality of metal lines with a minute linear pattern. The luminance or intensity of the electromagnetic signal may be detected by the receiving unit while rotating the substrate. | 06-19-2014 |
20140186595 | METHOD OF FABRICATING DISPLAY DEVICE USING MASKLESS EXPOSURE APPARATUS AND DISPLAY DEVICE - The present invention relates to a method of fabricating a display device using a maskless exposure apparatus, and the display device, and more particularly, to a method of fabricating a display device by using a maskless exposure apparatus, which is capable of preventing a stain from being viewed, and the display device. An exemplary embodiment of the present invention provides a method of fabricating a display device, including: forming a first exposure region on a substrate by performing exposure while scanning the substrate with a first exposure head irradiating an exposure beam according to pattern information of a first pattern in a scanning direction; and forming a second exposure region adjacent to the first exposure region on the substrate by performing exposure while scanning the substrate with a second exposure head irradiating an exposure beam according to the pattern information of the first pattern in the scanning direction; in which an exposure boundary region between the first exposure region and the second exposure region is extended in the scanning direction, and the exposure boundary region overlaps a light blocking region. | 07-03-2014 |
20140204392 | STAGE TRANSFERRING DEVICE AND POSITION MEASURING METHOD THEREOF - A stage transferring device invention includes: a transferring stage upon which an object is mounted and which transfers the object in an x-y plane; and a stage position measuring device. The stage position measuring device includes a one-dimensional scale on the transferring stage; a one-dimensional scale reading head which is configured to overlap the one-dimensional scale, irradiate a measuring beam to the overlapped one-dimensional scale and measure a 1D y-axis coordinate of the transferring stage; a two-dimensional encoder on the transferring stage; and a two-dimensional encoder reading head which is configured to overlap the two-dimensional encoder, irradiate a measuring beam to the overlapped two-dimensional encoder and measure a 2D x-axis coordinate and a 2D y-axis coordinate of the transferring stage. | 07-24-2014 |
20140268171 | STAGE DEVICE AND DRIVING METHOD THEREOF - A stage device includes a stage configured to move in an X-axis direction and a Y-axis direction, an X-axis interference reflector spaced apart from the stage in the X-axis direction, a first X-axis interferometer disposed on the stage that is configured to measure an X-axis location of the stage using the X-axis interference reflector, and an optical movable element spaced apart from the stage in the Y-axis direction that is configured to shift in the X-axis direction a path of a light beam propagating in the Y-axis direction according to movement of the stage in the X-axis direction. | 09-18-2014 |
20140340662 | MASKLESS EXPOSURE DEVICE - In an aspect, a grating light valve module including: a substrate; and a plurality of ribbons disposed on the substrate, wherein each of the ribbons includes an insulating layer, a conductive layer disposed on the insulating layer, and an anti-oxidation layer disposed on the conductive layer is provided. | 11-20-2014 |