Abstract:
An LCD and a method for manufacturing the same are provided to reduce the process cost, by designing a pixel electrode correspondingly to a bottom gate structure so as to skip a process for forming a passivation layer and enable the manufacture of the LCD through a three- or four-mask process. A gate line(115), a gate electrode(118), a gate pad electrode are formed on a substrate(100) during a first mask process. A transparent conduction layer is deposited on the resultant substrate. The transparent conduction layer is selectively etched to form a pixel electrode(150) and a gate pad terminal electrode during a second mask process. A gate insulating layer(135), an intrinsic amorphous silicon layer(125), an etch stopper layer, and a photoresist layer are sequentially deposited on the resultant substrate including the gate electrode. The photoresist layer is selectively exposed and developed, thereby exposing the etch stopper layer. An etch stopper(147) for a switching region is formed on the intrinsic amorphous silicon layer and the pixel electrode for a pixel region is exposed by etching only the etch stopper layer during a third mask process. An impurity-doped amorphous silicon layer, a metal layer, and a photoresist layer are sequentially deposited on the resultant substrate including the etch stopper. The intrinsic amorphous silicon layer, the impurity-doped amorphous silicon layer, and the metal layer are selectively etched to form a source electrode(114), a drain electrode(116), a data line, and a data pad electrode during a fourth mask process.
Abstract:
A roll brush for washing a substrate, and a brush washing unit using the same are provided to improve washing efficiency according to shapes of fine fibers of the roller brush by providing the roll brush with the plurality of fine fibers. A plurality of first fine fibers(54) are attached along an outer circumference of a cylindrical body(52) and have an end of a round ring shape. The end of the first fine fiber is bent to form a closed curve, or rounded in an opened curve. A plurality of second fine fibers are attached along an outer circumferential surface of the cylindrical body, and have linear ends. The first fine fibers are made of a synthetic resin material.
Abstract:
An LCD is provided to improve device reliability and expand a lifespan of a driver IC(Integrated Circuit) by effectively releasing heat generated from the driver IC. A printed circuit board(160) includes a liquid crystal panel for driving circuit(162), and a heat conduction pattern(170). A driver IC(142) is loaded on an FPC(Flexible Printed Circuit)(140), and the FPC includes a first line pattern(144) connecting the driver IC with the liquid crystal panel, a second line pattern(146) connecting the driver IC with the driving circuit, and a heat conduction line(180) connecting the driver IC with the heat conduction pattern. The heat conduction line is made of one of Cu, Ag and Au. The heat conduction line and the heat conduction pattern are soldered.
Abstract:
An LCD, a color filter substrate for the LCD, and a fabrication method thereof are provided to allow at least three sub-pixel regions to have similar or identical brightness characteristics when a voltage being applied to a liquid crystal layer is identical for at least three sub-pixel regions by forming a liquid crystal layer to decrease a phase difference from a long wavelength toward a short wavelength. A liquid crystal layer(400) is configured to decrease a phase difference from a long wavelength toward a short wavelength. A color filter substrate(200) and a thin film transistor substrate(300) are formed to face each other with the liquid crystal layer, and are divided into at least three sub-pixel regions. The at least three sub-pixel regions include a red sub-pixel region, a green sub-pixel region, and a green sub-pixel region.
Abstract:
A thin film transistor, a fabrication method thereof, an LCD using the same, and a fabrication method thereof are provided to improve mobility of carriers and remove a need for an additional process for crystallization by using a nanowire for a semiconductor layer. A gate electrode(111) is formed on a predetermined portion on a substrate(110). A gate dielectric layer(112) is formed on the entire substrate including the gate electrode. A semiconductor layer(120) is formed on the gate electrode on the gate dielectric layer, and is formed of a nano material. A fixing plate(121) is formed at a central portion on the semiconductor layer. A source electrode(130) and a drain electrode(131) are formed at a predetermined interval at both sides of the semiconductor layer. The nano material is one of a nanowire, a nanocable, and a nanotube.
Abstract:
An LCD is provided to prevent foreign substances caused by deformation of a both-sided adhesive tape and completely protect a printed circuit board from external impact by surrounding a printed circuit board with a cover shield and attaching a protection pad to a top surface of the cover shield. A backlight unit(120) is placed at the back of a liquid crystal panel(110) and provides light. A support main(130) receives the liquid crystal panel and the backlight unit. A driver for generating a control signal and a power signal for driving the liquid crystal panel is mounted on a printed circuit board(112), and the printed circuit board is connected to the liquid crystal panel, and is mounted to a back surface of the support main. A cover shield(150) covers the back surface of the printed circuit board, and is bent to cover a side portion and a front surface of the printed circuit board. A protection pad is attached to the cover shield to protect the printed circuit board.
Abstract:
A backlight unit of an LCD is provided to facilitate a fabrication thereof and make it suitable for a large LCD by electrically connecting MCPCBs(Metal Core Printed Circuit Boards) using a connection line. A first MCPCB and a second MCPCB include a plurality of light emitting diodes mounted thereon and drive the light emitting diodes. A bottom cover(60) includes first and second openings separated from each other at a predetermined distance, and the MCPCBs are installed on a front surface of the bottom cover. A first connector is electrically connected to the first MCPCB, and passes through the first opening to be exposed to a back surface of the bottom cover. A second connector is electrically connected to the second MCPCB, and passes through the second opening to be exposed to the back surface of the bottom cover. Connection lines(56,66) electrically connect the first and the second connectors at the back surface of the bottom cover.
Abstract:
An LCD module is provided to make a lower substrate overlap a cover bottom and fix one end of at least one optical sheet between the lower substrate and the cover bottom so as to fix one set of ends of optical sheets without a gap therebetween and increase expandable areas of the optical sheets thermally. A liquid crystal panel(102) includes an upper substrate(104), a lower substrate(106), and liquid crystals injected between the upper substrate and the lower substrate. A cover bottom(118) overlaps the lower substrate of the liquid crystal panel. A backlight unit includes a lamp(120), a light guide plate(124) receiving light from the lamp through a side surface, a lamp housing(116) reflecting light from the lamp toward the light guide plate, a reflective plate placed adjacent to a back surface of the light guide plate, and at least one optical sheet(131) fixed between the lower substrate of the liquid crystal panel and the cover bottom.
Abstract:
A notebook computer is provided to reduce a size of a display device by installing a driver PCB(Printed Circuit Board) of the display device in a computer system unit. A display panel(60) includes a plurality of display pixels. The driver PCB(50) is connected to a lower end of the display panel. The computer system unit includes the driver PCB in the inside. The display panel is an LCD or EL(ElectroLuminescence) panel. The display panel and the driver PCB are connected by a tap(70) using a TCP(Tape Carrier Package), an FPC(Flexible Printed Circuit), or a COF(Chip On Film). The computer system unit is equipped with a data input device, a CPU, and a data communicator.
Abstract:
A glass transfer apparatus is provided to transfer a glass substrate while protecting the glass substrate from foreign materials and friction. A plurality of rotation shafts(120) are arranged with a predetermined interval in a direction of transferring a glass. The rotation shafts(120) are provided along the outer circumference thereof with magnets having different polarities. A plurality of rotation rollers(130) are fixed to the rotation shafts(120) to transfer the glass according to the rotation of the rotation shafts(120). The first permanent magnet(140) are fixed to the first end of the rotation shaft(120). The second permanent magnet(150) is provided corresponding to the first permanent magnet(140). The second permanent magnet(150) has the same polarity as that of the first permanent magnet(140) to maintain the center of the rotation shaft(120) using the repulsive power between magnets. A gap maintaining unit(160) is provided at the outer portion of the rotation shaft(120) corresponding to the magnets to maintain the gap between the rotation shafts(120) due to the repulsive power between the magnets.