Patent application number | Description | Published |
20090184418 | WIRING SUBSTRATE, TAPE PACKAGE HAVING THE SAME, AND DISPLAY DEVICE HAVING THE SAME - A wiring substrate includes a base film, a plurality of first wirings and a plurality of second wirings. The base film has a chip-mounting region configured for mounting a semiconductor chip thereon. The first wirings extend in a first direction from inside the chip-mounting region to outside the chip-mounting region, and include first connection end portions extending in a second direction different from the first direction. The first connection end portions may be formed inside the chip-mounting region and configured to electrically connect to the semiconductor chip. The second wirings extend in the first direction from inside the chip-mounting region to outside the chip-mounting region, and include second connection end portions extending in the opposite direction to the second direction in which the first connection end portions extend, and the second connection end portions may be formed inside the chip-mounting region and configured to electrically connect to the semiconductor chip. | 07-23-2009 |
20120018871 | STACK PACKAGE AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME - A stack package usable in a three-dimensional (3D) system-in-package (SIP) includes a first semiconductor chip, a second semiconductor chip, and a supporter. The first semiconductor chip includes a through silicon via (TSV), and the second semiconductor chip is stacked on the first semiconductor chip and is electrically connected to the first semiconductor chip through the TSV of the first semiconductor chip. The supporter is attached onto the first semiconductor chip so as to be spaced apart from an edge of the second semiconductor chip. | 01-26-2012 |
20120223433 | SEMICONDUCTOR PACKAGE INCLUDING CONNECTING MEMBER HAVING CONTROLLED CONTENT RATIO OF GOLD - A semiconductor package including connecting members having a controlled content ratio of gold capable of increasing durability and reliability by preventing an intermetallic compound having high brittleness from being formed. The semiconductor package includes a base substrate; a first semiconductor chip disposed on the base substrate; and a first connecting member for electrically connecting the base substrate and the first semiconductor chip, and comprising a first bonding portion that includes gold and has a first content ratio of gold that is controlled to prevent an intermetallic compound of AuSn | 09-06-2012 |
20130087917 | SEMICONDUCTOR PACKAGE - A semiconductor package includes a first semiconductor chip, a second semiconductor chip disposed on the first semiconductor chip, and a connection member to electrically connect the first semiconductor chip and the second semiconductor chip. The connection member may include a connection pad disposed on the first semiconductor chip, a connection pillar disposed on the second semiconductor chip, and a bonding member to connect the connection pad and the connection pillar. An anti-contact layer may be formed on at least one surface of the connection pad. | 04-11-2013 |
20140117536 | WIRING SUBSTRATE, TAPE PACKAGE HAVING THE SAME, AND DISPLAY DEVICE HAVING THE SAME - A wiring substrate includes a base film, a plurality of first wirings and a plurality of second wirings. The base film has a chip-mounting region configured for mounting a semiconductor chip thereon. The first wirings extend in a first direction from inside the chip-mounting region to outside the chip-mounting region, and include first connection end portions extending in a second direction different from the first direction. The first connection end portions may be formed inside the chip-mounting region and configured to electrically connect to the semiconductor chip. The second wirings extend in the first direction from inside the chip-mounting region to outside the chip-mounting region, and include second connection end portions extending in the opposite direction to the second direction in which the first connection end portions extend, and the second connection end portions may be formed inside the chip-mounting region and configured to electrically connect to the semiconductor chip. | 05-01-2014 |
Patent application number | Description | Published |
20090237340 | LIQUID CRYSTAL DISPLAY MODULE AND DISPLAY SYSTEM INCLUDING THE SAME - A liquid crystal display (LCD) module and a display system including the LCD module are provided. The LCD module includes a common-voltage adjustment unit which is enabled by interfacing with an external device and thus adjusts a common voltage; a signal control unit which outputs a first reverse signal that reverses the polarity of a voltage at intervals of at least two frames; and a data driving unit which reverses the polarity of an image data voltage with respect to the common voltage at intervals of at least two frames in response to the first reverse signal. | 09-24-2009 |
20100134401 | Liquid Crystal Display and Method of Driving the Same - A liquid crystal display (LCD) and a method of driving the LCD are provided. The LCD includes a display panel; and a timing controller providing a first data signal to the display panel during a first frame period, a second data signal to the display panel during a second frame period and a blank signal to the display panel during a blank period between the first and second frame periods, wherein the voltage of the blank signal varies among a plurality of levels between the voltage of the first data signal and the voltage of the second data signal. | 06-03-2010 |
20100254108 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device includes a display panel on which an image is displayed, and a driving board. The driving board includes a substrate, a first multi-layer ceramic condenser disposed on the substrate and to which a first current is supplied, and a second multi-layer ceramic condenser disposed substantially parallel with the first multi-layer ceramic condenser and to which a second current is supplied. The first current and the second current are supplied to the first multi-layer ceramic condenser and the second multi-layer ceramic condenser, respectively, in opposite directions. | 10-07-2010 |
20130215160 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes pixels connected to gate lines and data lines crossing the gate lines, a data driver which drives the data lines, a gate driver which drives the gate lines, a timing controller which controls the data driver and the gate driver in response to an image signal and a control signal and outputs a first kickback signal and a second kickback signal, and a voltage generator which outputs a first gate-on voltage and a second gate-on voltage in response to the first and second kickback signals to drive the gate lines. The gate driver drives a first group of gate lines in response to the first gate-on voltage and drives a second group of the gate lines in response to the second gate-on voltage. | 08-22-2013 |
20140253418 | GATE DRIVING MODULE, DISPLAY APPARATUS HAVING THE SAME AND METHOD OF DRIVING DISPLAY PANEL USING THE SAME - A gate driving module includes a gate driver and a gate signal generator. The gate driver generates a vertical start signal, a plurality of gate clock signals and a plurality of inverse gate clock signals based on a vertical start control signal, a plurality of gate clock control signals, a gate on voltage, a first gate off voltage and a second gate off voltage. The number of the gate clock signals is P. The number of the inverse gate clock signals is P. The number of the gate clock control signals is P. P is a positive integer equal to or greater than two. The gate signal generator generates a gate signal based on the vertical start signal, the gate clock signals and the inverse gate clock signals. | 09-11-2014 |
20140347258 | METHOD OF DRIVING A DISPLAY PANEL, DISPLAY PANEL DRIVING APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE DISPLAY PANEL DRIVING APPARATUS - A display panel driving apparatus is disclosed. In one aspect the apparatus includes a gate driving part and a data driving part. The gate driving part is configured to increase a gate signal applied to a gate line of a display panel from an OFF voltage to a ON voltage, in response to an activation of a gate clock signal. It is also configured to decrease the gate signal from the ON voltage to a kickback compensation voltage between the OFF voltage and the ON voltage through a plurality of steps in response to an activation of a kickback compensation signal. The data driving part is configured to apply a data signal to a data line of the display panel. Therefore, a data-charging rate may be increased, and thus a display quality of the display apparatus may be increased. | 11-27-2014 |
20140347384 | DEVICE AND METHOD OF MODIFYING IMAGE SIGNAL - An image signal modifying method is disclosed. In one aspect, the image signal modifying method includes inputting a gray level interval of a first dynamic capacitance compensation (DCC) lookup table to a current gray level which is a target in a previous image signal when it is overdriven (DTG) and 0 to a gray level of the previous image signal (PIG). The method also includes searching for a data value in an adaptive color correction (ACC) lookup table corresponding to a gray level equal to a numerical value of the DTG (ALT) and performing an algorithm based on the DTG, the ALT, and the gray level interval of the first DCC lookup table. The method further includes generating a second DCC lookup table based on the algorithm, and performing second DCC processing on the input image signal based on the second DCC lookup table. | 11-27-2014 |
20150035817 | CONTROL BOARD AND DISPLAY DEVICE USING THE SAME - A control board in a display device includes terminals and a control circuit. The control circuit is configured to output a control signal an image signal through the terminals and to generate a drive voltage in response to a feedback signal, which is fed back to a second terminal of the terminals when a source voltage is applied to a first terminal of the terminals. | 02-05-2015 |
20150035818 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device includes gate lines, data lines, pixels, a gate driver, a data driver, and a timing controller. The gate lines extend in a first direction. The data lines extend in a second direction crossing the first direction. Each of the pixels is connected to a corresponding gate line of the gate lines and a corresponding data line of the data lines. The gate driver is configured to drive the gate lines. The data driver is configured to drive each data line of the data lines in response to a corresponding data signal. The timing controller is configured to, in response to an image signal and a control signal, apply the corresponding data signals to the data driver and control the gate driver. Each corresponding data signal reflects a kickback compensation value corresponding to a distance between the gate driver and the corresponding data line in the first direction. | 02-05-2015 |
20150062106 | DISPLAY DEVICE - A display device includes: a display panel including a gate line, a data line and a pixel connected to the gate line and the data line; a data driver connected to the data line; a gate driver connected to the gate line; a direct current-to-direct current (“DC-DC”) unit which transfers a gate-on voltage or a gate-off voltage to the gate driver; a signal controller which controls the data driver, the gate driver and the DC-DC unit; and a sensing unit, in which the DC-DC unit generates a power voltage based on a control signal of the signal controller, and the sensing unit includes a measuring unit which senses a sensing signal based on a power voltage signal applied to the data driver, and a reset signal generator which generates a reset signal based on the sensing signal. | 03-05-2015 |
20150091783 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display panel, a gate driver, a gate clock signal modulating unit, and a gate clock signal generator. The display panel includes gate lines and pixels connected to the gate lines via respective switching elements. The gate driver includes stages configured to output gate signals to the gate lines. The gate clock signal modulating unit is configured to modulate an input gate clock signal based on a scanning start signal to generate an output gate clock signal. The gate clock signal generator is configured to generate a clock signal based on the gate clock signal and output the clock signal to the gate driver. The gate clock signal modulating unit is configured to modulate a width of a pulse of the input gate clock signal overlapping a pulse of the scanning start signal. | 04-02-2015 |
20150116386 | GATE DRIVER, DISPLAY APPARATUS INCLUDING THE SAME AND METHOD OF DRIVING DISPLAY PANEL USING THE SAME - A gate driver includes a precharge signal generating part configured to generate a precharge signal which varies based on a previous data signal corresponding to a previous gate line and a data signal corresponding to a gate line, and a signal adding part configured to add the precharge signal and a non-precharge signal to generate a gate signal. | 04-30-2015 |
20150206485 | DIGITAL GAMMA CORRECTION PART, DISPLAY APPARATUS HAVING THE SAME AND METHOD OF DRIVING DISPLAY PANEL USING THE SAME - A digital gamma correction part includes a memory and a selector. The memory is configured to store a basic gamma reference data, a first compensated gamma reference data and a second compensated gamma reference data, where respective data of the first compensated gamma reference data are greater than respective data of the basic gamma reference data, and respective data of the second compensated gamma reference data are less than respective data of the basic gamma reference data. The selector is configured to receive a luminance data determined based on a luminance of a display panel, and to output a gamma reference data by selecting one from the basic gamma reference data, the first compensated gamma reference data and the second compensated gamma reference data based on the luminance data and a gamma converted reference range. | 07-23-2015 |
20150206489 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device includes: a display panel including gate lines, a data lines crossing the gate lines, and pixels connected to the data lines and the gate lines; a data driver configured to drive the data lines; a gate driver configured to drive the gate lines in synchronization with a vertical sync start signal; and a timing controller configured to control the data driver and the gate driver in response to an image signal and a control signal inputted thereto from an outside, where the timing controller outputs the vertical sync start signal to the gate driver, and changes a frequency of the vertical sync start signal when an image signal of a current frame is identical to an image signal shifted from an image signal of a previous frame in a first direction. | 07-23-2015 |
20150221262 | METHOD OF DRIVING A DISPLAY PANEL AND DISPLAY APPARATUS PERFORMING THE METHOD - A method of driving a display panel includes determining a first black gap corresponding to a 2D mode and a second black gap corresponding to a 3D mode. The first and second black gaps are different from each other, the first and second black gaps correspond to a voltage difference between a black voltage of a first polarity and a black voltage of a second polarity, and the first and second polarities are opposite to each other with respect to a reference voltage. The method further includes dividing a voltage difference between a white voltage of the first polarity and the black voltage of the first polarity to generate a plurality of gamma voltages of the first polarity, and dividing a voltage difference between a white voltage of the second polarity and the black voltage of the second polarity to generate a plurality of gamma voltages of the second polarity. | 08-06-2015 |
20150221271 | DISPLAY DEVICE - Provided is a display device. The display device includes a display panel including a common voltage generator generating an output voltage to be provided to the plurality of pixels. Each of the plurality of pixels includes a pixel electrode receiving a data voltage, a common electrode receiving the output voltage through common voltage lines, and a liquid crystal capacitor charged with a voltage difference between the data voltage and the output voltage. The common voltage generator compensates the output voltage based on a ratio of an internal resistance of the common voltage generator to a resistance component of the common electrode disposed on the display panel and outputs the compensated output voltage. | 08-06-2015 |
20150349042 | FLEXIBLE CIRCUIT FILM AND DISPLAY APPARATUS HAVING THE SAME - A flexible circuit film includes a first flexible film, a second flexible film facing the first flexible film, a plurality of wirings arranged between the first flexible film and the second flexible film and extending in a first direction, then bending to extend in a second direction crossing the first direction, and then bending a second time to extend in an opposing direction to the first direction, and a guide film including a material more rigid than the first and second flexible films and arranged on an ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film. | 12-03-2015 |
20160063960 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel includes charging a pixel with first data during a first charging period, comparing a first grayscale of the first data and a second grayscale of second data, charging the pixel with compensated data during a second charging period if the first grayscale is greater than the second grayscale, and charging the pixel with the second data during a third charging period. | 03-03-2016 |
20160078825 | METHOD OF TESTING A DISPLAY APPARATUS AND A DISPLAY APPARATUS TESTED BY THE SAME - In a method of testing a display apparatus, a plurality of minimum compensation data for a plurality of grayscales, respectively and a plurality of maximum compensation data for the plurality of grayscales, respectively are determined. The display apparatus includes a display panel displaying an image having the plurality of grayscales. A plurality of grayscale compensation data corresponding to the plurality of grayscales, respectively are set based on the plurality of minimum compensation data and the plurality of maximum compensation data. A flicker characteristic with respect to the plurality of grayscales is measured based on the plurality of grayscale compensation data and test images displayed on the display panel. The flicker characteristic is optimized by selectively changing the plurality of grayscale compensation data based on the measured flicker characteristic. | 03-17-2016 |
20160104406 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device is provided. A display device comprising, a gate voltage generator outputting a gate-on voltage and a gate-off voltage, a clock generator receiving the gate-on voltage and the gate-off voltage and outputting a clock signal, a gate driver receiving the clock signal and outputting a gate signal , the gate driver including a plurality of stages which are connected to a plurality of gate lines respectively, and a pixel unit comprising a plurality of pixels which are turned on or turned off by the gate signal to display an image, wherein the gate voltage generator comprises, a direct current (DC) converter connected to a sub-gate node and receiving a sub-gate signal which is one of outputs of the plurality of stages gate driver and outputting a compensation voltage using the received sub-gate signal. | 04-14-2016 |
Patent application number | Description | Published |
20100265435 | DISPLAY APPARATUS HAVING VARIABLE DIFFUSER FILM - In a display apparatus according to an embodiment, a variable diffuser film is disposed between a backlight unit generating light and a display panel displaying an image. The variable diffuser film transmits or scatters the light from the backlight unit in response to an electrical signal to control a viewing angle. The variable diffuser film is disposed between the first and second transparent layers and includes a polymer layer in which liquid crystal molecules transmitting or scattering the light according to the electrical signal are dispersed. The polymer layer has a thickness of about 3 micrometers to about 15 micrometers, and the liquid crystal molecules have an anisotropic refractive index (Δn) of about 0.15 to about 0.25. In one aspect, the display apparatus may automatically switch a narrow viewing angle mode and a wide viewing angle mode, thereby reducing power consumption necessary to switch the narrow and wide viewing angle modes. | 10-21-2010 |
20110157913 | LIGHT GUIDE PLATE, DISPLAY APPARATUS HAVING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A light guide plate includes an incident surface receiving incident light from a light source, an exit section that outputs exit light having a light distribution different from a light distribution of the incident light and a reflective section opposite to the exit section. A plurality of first patterns are formed on the exit section while being arranged in a first direction of the exit section to distribute the exit light with maximum brightness in a direction perpendicular to the exit section. A plurality of second patterns are formed on the reflective section to scatter the incident light. | 06-30-2011 |
20120176812 | Light Guide Plate and Light-Emitting Assembly Having the Same - A light guide plate includes a light incident surface, a light emitting surface and a light guide surface. The light incident surface receives light from an external light source. The light emitting surface emits outward the light received through the light incident surface. The light guide surface faces the light emitting surface and includes a diffusion pattern formed thereon. The diffusion pattern includes a plurality of porous particles and a plurality of spheroidal particles, and the porous particles have pores formed therein and on surfaces thereof. | 07-12-2012 |
20120327685 | LIGHT GUIDE PLATE FOR BACKLIGHT AND MANUFACTURING METHOD THEREFOR - A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface and a lower surface; and a light emission pattern configured to diffuse a portion of the light directed toward an image display panel, and a first straight pattern configured to channel the light along a direction substantially parallel to a direction of propagation of the light generated by the light source unit, both the light emission pattern and the first straight pattern being disposed on one of the upper surface and the lower surface of the light guide plate, in which the first straight pattern has peaks and valleys formed in alternating and repeating manner in a direction substantially perpendicular to a direction of propagation of the light generated by the light source unit. | 12-27-2012 |
20130058126 | Light-Source Unit, Back-Light Unit Having the Same, And Display Device Having the Same - A light-source unit for providing light to a display panel includes at least one light-source. The at least one light-source is mounted in a circuit board. A body portion having a housing space houses the circuit board on which the at least one light-source is mounted. A reflection portion reflects light emitted from the at least one light-source. The reflection portion has a parabola shape. The light is reflected by the reflection portion to proceed straight and in a direction perpendicular to a direction that the light is emitted from the at least one light-source. | 03-07-2013 |
20130163277 | DISPLAY MODULE AND APPARATUS HAVING THE SAME - A display module includes a display panel including a display area and a non-display area, an upper prism layer including a plurality of parallel upper prisms at a lower surface thereof, wherein the plurality of the upper prisms are parallel to one another, a lower prism layer including a plurality of lower prisms at a lower surface thereof, wherein the plurality of the lower prisms are parallel to one another and extend in a substantially perpendicular direction to the upper prisms, and an adhesive part which is at a side of the upper prism layer and is adhered to the lower prism layer and the non-display area of the display panel, wherein the adhesive part fixes the upper prism layer and the lower prism layer to each other. | 06-27-2013 |
20130242541 | DISPLAY DEVICE COMPRISING THE SAME - Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member. | 09-19-2013 |
20140185318 | Backlight Assembly and a Display Device Using the Same - A backlight assembly includes a light guide member extending in a direction and having a light incident surface and a light exiting surface. A light source faces the light guide member and supplies light to the light guide member through the light incident surface. A reflecting member reflects light exiting from the light exiting surface of the light guide member. The reflecting member includes a groove receiving the light guide member. A first reflecting portion is disposed under the light guide member and reflects light refracted by the light guide member in an upward direction. A second reflecting portion is disposed on the light guide member and reflects light refracted by the light guide member in a downward direction. | 07-03-2014 |
20140204612 | LIGHT GUIDE PLATE FOR BACKLIGHT AND MANUFACTURING METHOD THEREFOR - A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface and a lower surface; and a light emission pattern configured to diffuse a portion of the light directed toward an image display panel, and a first straight pattern configured to channel the light along a direction substantially parallel to a direction of propagation of the light generated by the light source unit, both the light emission pattern and the first straight pattern being disposed on one of the upper surface and the lower surface of the light guide plate, in which the first straight pattern has peaks and valleys formed in alternating and repeating manner in a direction substantially perpendicular to a direction of propagation of the light generated by the light source unit. | 07-24-2014 |
20150029751 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit includes a light source which generates light, a light guide plate which guides the light substantially in an upward direction, a first frame member which holds the light source and diffuses the light traveling substantially in the upward direction between the light source and the light guide plate, a second frame member which holds the light guide plate, a third frame member which holds the light guide plate, a reflective plate disposed under the light guide plate and which reflect the light leaked downwardly from the light guide plate substantially to the upward direction, and an optical sheet disposed on the light guide plate and the first to third frame members and which diffuses the light provided from the first frame member and the light guide plate and condenses the light substantially in the upward direction. | 01-29-2015 |
20150036320 | DISPLAY DEVICE - A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size. | 02-05-2015 |
20150078033 | BACKLIGHT ASSEMBLY AND DISPLAY INCLUDING 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. | 03-19-2015 |
20150198756 | OPTICAL PATTERN SHEET, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - 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. | 07-16-2015 |
20150219286 | LED LIGHT SOURCE PACKAGE - 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. | 08-06-2015 |
20150219306 | OPTICAL LENS AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - An optical lens includes, in a cross-sectional view, a bottom surface including: a lower flat portion, and a first groove recessed upwardly from the lower flat portion toward a top surface of the optical lens; the top surface including: a protruding upper spherical portion, and a second groove recessed downwardly from the upper spherical portion toward the bottom surface and at a location corresponding to the first groove; and a lateral surface including: a lateral flat portion and lateral curved portions, each of the lateral and curved portions connecting the lower flat portion of the bottom surface and the upper spherical portion of the top surface, to each other. | 08-06-2015 |
20150234234 | BACKLIGHT UNIT - Provided is a backlight unit including a printed circuit board, a light-emitting diode package, a diffusion plate, and a reflection sheet. The light-emitting diode package including a light-emitting part configured to generate a first light. The diffusion plate includes a first diffusion pattern provided on a first region corresponding to the light-emitting diode package and a second diffusion pattern provided on a second region to have a transmittance higher than that of the first diffusion pattern. The reflection sheet includes an absorption pigment configured to absorb a fraction of the first light with a specific wavelength and converting the first light to a second light, and the reflection sheet is configured to reflect the second light toward the first diffusion pattern. The backlight unit can have improved color coordinate uniformity. | 08-20-2015 |
20150369451 | LENS ASSEMBLY FOR BACKLIGHT SOURCE AND BACKLIGHT UNIT HAVING THE SAME - A lens assembly for a backlight light source includes: a plurality of light emitters, where each of the light emitters includes a first light-emitting device and a second light-emitting device, and the first and second light-emitting devices emit light having different colors from each other; and a lens disposed on the light emitter to cover the light emitter, where the lens is substantially symmetric with respect to a center axis thereof and has a bar shape extending in a direction parallel to the center axis, the light emitters are spaced apart from each other in the direction parallel to the center axis, and the first light-emitting device and the second light-emitting device of each of the light emitters are spaced apart from each other in the direction parallel to the center axis. | 12-24-2015 |
Patent application number | Description | Published |
20130160952 | APPARATUSES FOR BONDING SEMICONDUCTOR CHIPS - An apparatus for bonding semiconductor chips may comprise transfer rails configured to transfer substrates, loading members configured to load the substrates onto the transfer rails, unloading members configured to unload the substrates from the transfer rails, a first wafer supply unit configured to supply a first wafer including semiconductor chips, and/or a bonding unit configured to bond the semiconductor chips to the substrates. An apparatus for bonding semiconductor chips may comprise a transfer rail configured to transfer substrates, loading members configured to load the substrates onto the transfer rail, unloading members configured to unload the substrates from the transfer rail, a buffer member at a side of the transfer rail configured to temporarily receive the substrates loaded by the loading members, a first wafer supply unit configured to supply a first wafer including semiconductor chips, and/or a bonding unit configured to bond the semiconductor chips to the substrates. | 06-27-2013 |
20140238618 | DIE EJECTOR AND DIE SEPARATION METHOD - A die ejector includes a supporting unit configured to support a bottom surface of a film on which a die may be attached. The supporting unit may have a hole formed at a center thereof. The die ejector may further include a ring-shaped elevating unit in the hole and configured to move along a vertical direction, a driving unit connected to the elevating unit and configured to move the elevating unit along the vertical direction, and a pressure controlling unit connected to the hole and configured to control a pressure of the hole. | 08-28-2014 |
20150228612 | DIE BONDING APPARATUS - The die bonding apparatus including a transferring unit, a loading member loading a substrate to the transferring unit, an unloading member unloading the substrate from the transferring unit, a wafer holder supporting a wafer providing dies, and a bonding member picking up one of the dies from the wafer and bonding the picked-up die to the substrate loaded on the transferring unit by pressuring the picked-up die against the substrate using a gas may be provided. | 08-13-2015 |
20150303081 | Die Bonding Device - A die bonding device includes: a wafer holder supporting a wafer where a die is formed; an ejector holder disposed at the wafer holder below the wafer and supporting a die ejector that assists separating the die from the wafer; a support unit supporting a substrate where the die is to be attached; a bonding unit that picks up the die from the wafer and attaches the picked-up die to the substrate; an ejector buffer unit that receives the die ejector; and a replacing unit that transfers the die ejector between the ejector holder and the ejector buffer unit. | 10-22-2015 |