Patent application number | Description | Published |
20130062758 | SEMICONDUCTOR DEVICE - In one embodiment, a semiconductor device has a substrate, a first semiconductor chip, an electrode, a first and second connection member, and a first and second sealing member. The electrode is disposed on the first semiconductor chip and contains Al. The first connection member electrically connects the electrode and the substrate and contains Au or Cu. The first sealing member seals the first semiconductor chip and the first connection member. One or more second semiconductor chips are stacked on the first sealing member. The second sealing member seals the first connection member, the one or more second semiconductor chips, and the one or more second connection members. A ratio of a total weight W | 03-14-2013 |
20130114323 | SEMICONDUCTOR DEVICE AND DATA STORAGE APPARATUS - A semiconductor device according to an embodiment includes: a rectangular substrate having a first and a second principal surfaces ; a first semiconductor chip; one or more second semiconductor chips; and one or more third semiconductor chips. The substrate has first connection terminals connected to electrodes of the one or more second semiconductor chips, and third connection terminals electrically connected to the first connection terminals and connected to first electrodes of the first semiconductor chip, on a side of a first edge on the first principal surface. The substrate has second connection terminals connected to second electrodes of the one or more third semiconductor chips, and fourth connection terminals electrically connected to the second connection terminals and connected to electrodes of the first semiconductor chip, on a side of a second edge facing the first edge across the first semiconductor chip on the first principal surface. | 05-09-2013 |
20140070428 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - In one embodiment, a semiconductor device includes a first semiconductor chip disposed on a circuit board, an adhesive layer fixing the first semiconductor chip to the circuit board, and a second semiconductor chip having an outer shape smaller than that of the first semiconductor chip. At least a part of the second semiconductor chip is embedded in the adhesive layer. The adhesive layer has a thickness in a range of 95 to 150 μm. The adhesive layer includes a cured product of a thermosetting resin whose thermal time viscosity at a time that the second semiconductor chip is embedded is in a range of 500 to 5000 Pa·s. | 03-13-2014 |
Patent application number | Description | Published |
20090129155 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE - A nonvolatile semiconductor storage device capable of storing a plurality of bits of data in one memory cell by assigning multivalued data having a higher-order bit selected from one of a pair of data in a first unit and a lower-order bit selected from the other of the pair of data to each threshold voltage of the memory cell, wherein in a first write operation that processes data in the first unit, the logic of one of the higher-order bit and the lower-order bit is fixed, and two pieces of multivalued data that maximize the difference between the threshold voltages are assigned, thereby storing one bit of input data in the one memory cell in a pseudo binary state, and in a second write operation that processes data in a second unit larger than the first unit, a plurality of bits of input data is stored in the one memory cell in a multivalued state, and parity data for error correction in the second unit is stored in the memory cell. | 05-21-2009 |
20110055465 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE - A nonvolatile semiconductor storage device capable of storing a plurality of bits of data in one memory cell by assigning multivalued data having a higher-order bit selected from one of a pair of data in a first unit and a lower-order bit selected from the other of the pair of data to each threshold voltage of the memory cell, wherein in a first write operation that processes data in the first unit, the logic of one of the higher-order bit and the lower-order bit is fixed, and two pieces of multivalued data that maximize the difference between the threshold voltages are assigned, thereby storing one bit of input data in the one memory cell in a pseudo binary state, and in a second write operation that processes data in a second unit larger than the first unit, a plurality of bits of input data is stored in the one memory cell in a multivalued state, and parity data for error correction in the second unit is stored in the memory cell. | 03-03-2011 |
20120155169 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE - A nonvolatile semiconductor storage device storing plural data bits in one memory cell by assigning multivalued data having a higher-order bit selected from one of a pair of data in a first unit and a lower-order bit selected from the other of the pair of data. In a first write operation processing data in the first unit, logic of one of the higher-order and the lower-order bit is fixed, and two multivalued data that maximize the difference between the threshold voltages are assigned, thereby storing one bit of input data in the memory cell in a pseudo binary state. In a second write operation processing data in a second unit larger than the first unit, plural input data bits in a multivalued state and parity data for error correction in the second unit are stored in the memory cell. | 06-21-2012 |
Patent application number | Description | Published |
20120147343 | ALIGNMENT METHOD, ALIGNMENT APPARATUS, AND EXPOSURE APPARATUS - In the present invention, a number of times the brightness changes detected at the same position while a substrate conveys are added up in the conveying direction, thereby obtaining a plurality of edge count data, and then, a plurality of positions of long sides of patterns parallel to the conveying direction is identified based on the plurality of edge count data exceeding a predetermined threshold value, middle point positions of a plurality of proximity pairs are calculated, and a middle point position close to the target position preset in the imaging device is selected from the plurality of middle point positions of the proximity pairs, an amount of position displacement between the selected middle point position and the target position of imaging device is calculated, and the photomask in the direction substantially perpendicular to the conveying direction so that the amount of position displacement is a predetermined value. | 06-14-2012 |
20120170011 | ALIGNMENT METHOD, ALIGNMENT APPARATUS, AND EXPOSURE APPARATUS - In the present invention, the number of brightness changes detected at the same position while a substrate moves by a certain distance is added up, a plurality of edge count data arranged corresponding to the detected positions of the brightness changes is obtained, a plurality of correlation value data by performing a correlation operation for the plurality of calculated edge count data while moving a template is obtained, positions of the plurality of patterns based on a plurality of correlation value data exceeding a predetermined threshold value are identified, a position of a pattern close to a target position of an imaging device is selected, and a photomask is moved in the direction substantially orthogonal to the conveying direction of the substrate so that the amount of the position displacement between the selected position of the pattern and the target position of the imaging device is a predetermined value. | 07-05-2012 |
Patent application number | Description | Published |
20080278643 | LIQUID CRYSTAL DISPLAY APPARATUS - A mono domain vertical alignment type liquid crystal display apparatus to be multiplex driven is provided whose display uniformity at a large pretilt angle (near 90°) is improved. Waveform A is applied to a liquid crystal cell of a mono domain vertical alignment type, the waveform A having a duty not lower than 4 and a frame frequency of f. The frame frequency f is determined from a pretilt angle θp, and is a frequency not lower than 60 Hz at a pretilt angle of 88.5°≦p<89.6° or a frequency not lower than [120×(θp−89.6)+60] Hz at a pretilt angle of 89.6°≦θp≦89.9°. | 11-13-2008 |
20090058794 | LIQUID CRYSTAL DISPLAY DEVICE WITH IMPROVED DISPLAY LUMINANCE - A liquid crystal display device has: a liquid crystal display unit including a plurality of common electrodes to be sequentially applied with a drive voltage and segment electrodes for segment display, facing each common electrode, and a plurality of display areas divided for one or more common electrodes; a backlight including a multicolor light source provided for each display area; and a drive unit for performing field sequential driving of multiplex driving by scanning the plurality of common electrodes in such a manner that after all common electrodes in one display area are scanned, common electrodes in the next display area start being scanned, and by synchronizing scanning each common electrode with an emission operation of the multicolor light source in each display area. | 03-05-2009 |
20090066621 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a liquid crystal display unit including a plurality of display units each switching between bright display and dark display; a backlight having a light source of a plurality of colors for making light emitted from the light source be incident upon the liquid crystal display unit; and a drive unit for performing field sequential driving through synchronization of the liquid crystal display unit and backlight, wherein the drive unit controls a state of bright/dark display of the liquid crystal display unit to realize a display pattern corresponding to each subframe obtained by dividing a frame into a plurality of subframes, and controls an emission state of the backlight to turn on the backlight of emission color corresponding to a display pattern of an arbitrary first subframe from some timing in the first subframe to some timing in a second subframe immediately after the first subframe. | 03-12-2009 |
20090086132 | LIQUID CRYSTAL DISPLAY UNIT - A liquid crystal display unit has: a pair of opposing substrates; an electrode pattern formed on each of the substrates on an opposing surface side; a vertical alignment film formed on each of the substrates and covering the electrode pattern; a liquid crystal layer squeezed between the substrates; and a pair of polarizer plates formed on the substrates on an opposite side to the side of said liquid crystal layer, wherein an edge of the electrode pattern includes a zigzag pattern parallel to one of axis directions of the polarizer plates and a direction perpendicular the axis direction. Optical through can be reduced along an edge portion of a pixel of a vertical alignment LCD. | 04-02-2009 |
20090213313 | VERTICAL ALIGNMENT TYPE LIQUID CRYSTAL DISPLAY DEVICE WITH VIEWING ANGLE CHARACTERISTICS IMPROVED BY DISPOSING OPTICAL PLATES - First and second polarizers are disposed in cross Nichol configuration. A liquid crystal cell is disposed between the two polarizers and establishes vertical alignment in a state of no voltage application. An even number of optical films having optical anisotropy and disposed between the liquid crystal cell and first polarizer. A retardation of the liquid crystal cell is in a range between 300 nm and 1500 nm; and each optical film satisfies nx>ny≧nz, an in-plane retardation is smaller than 300 nm, a thickness direction retardation is in a ranger between 50 nm and 300 nm, an angle between an in-plane slow axis of the optical film disposed nearest to the first polarizer and an absorption axis of the first polarizer is smaller than 45°, and the slow axes of mutually adjacent optical films are perpendicular to each other. | 08-27-2009 |
20100026946 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a liquid crystal layer squeezed between first and second transparent substrates and vertically aligned at a retardation of 300 nm or larger to 940 nm or smaller; two or three viewing angle compensators disposed on the first transparent substrate on the side opposite to the liquid crystal layer, each of the viewing angle compensators having a retardation of 90 nm or larger to 350 nm or smaller in a thickness direction and a retardation of 5 nm or larger to 30 nm or smaller in an in-plane direction; a first polarizer disposed on the two or three viewing angle compensator; and a second polarizer disposed on the second transparent substrate and crossed-Nichol disposed relative to the first polarizer, wherein an in-plane slow axis of each viewing angle compensator is disposed perpendicular to an absorption axis of the first polarizer. | 02-04-2010 |
20100053522 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a liquid crystal layer squeezed between first and second substrates and vertically aligned at a retardation of 300-1000 nm; first and second compensators disposed on the first substrate and having negative biaxial optical anisotropy; a first polarizer disposed on the first and second compensators; and a second polarizer on the second substrate disposed crossed-Nichol with said first polarizer, wherein: the second compensator is disposed between the first substrate and first compensator; an in-plane slow axis of the first compensator is disposed perpendicular to an absorption axis of the first polarizer; the in-plane slow axis of the first compensator is disposed perpendicular to an in-plane slow axis of the second compensator; and a retardation in an in-plane direction of the first compensator is larger than that of the second compensator. | 03-04-2010 |
20120069278 | LIQUID CYRISTAL DISPLAY ELEMENT - A simple matrix type dot-matrix liquid crystal display element includes a first and a second transparent substrate disposed opposite to each other, first and second transparent electrodes disposed on the opposed face of the first and the second transparent substrate, respectively, a first and a second vertical alignment film disposed on the opposed side of the first and the second transparent substrate to cover the first and the second electrodes, respectively, a liquid crystal layer disposed between the opposed side of the first and the second transparent substrate and having Δ∈<0 and Δnd>450 nm, and a first and a second viewing angle compensation plate disposed on the unopposed side of the first and the second transparent substrate, respectively, wherein in the first transparent electrode, openings extending in a predefined direction are aligned. | 03-22-2012 |
20120086880 | VERTICAL ALIGNMENT TYPE LIQUID CRYSTAL DISPLAY DEVICE WITH VIEWING ANGLE CHARACTERISTICS IMPROVED BY DISPOSING OPTICAL PLATES - First and second polarizers are disposed in cross-Nichol configuration. A liquid crystal cell is disposed between the two polarizers and establishes vertical alignment in a state of no voltage application. An even number of optical films having optical anisotropy and disposed between the liquid crystal cell and first polarizer. A retardation of the liquid crystal cell is in a range between 300 nm and 1500 nm; and each optical film satisfies nx>n≧z, an in-plane retardation is smaller than 300 nm, a thickness direction retardation is in a range between 50 nm and 300 nm, an angle between an in-plane slow axis of the optical film disposed nearest to the first polarizer and an absorption axis of the first polarizer is smaller than 45°, and the slow axes of mutually adjacent optical films are perpendicular to each other. | 04-12-2012 |
20120086894 | LIQUID CRYSTAL DISPLAY ELEMENT - A liquid crystal display element comprises a first and a second substrates, a vertical alignment liquid crystal layer, and a first and a second polarizers arranged to cross approximately their absorption axes and an alignment direction of liquid crystal molecules when no voltage is applied at almost 45 degrees. At least one of the electrodes comprises a polyline extending to an extending direction as a whole and having no straight line in parallel to the extending direction along an electrode edge, and the polyline is formed along an edge of at least one of the first and the second electrodes where the alignment directions when a voltage is applied and when no voltage is applied are opposite to each other if the polyline is a straight line along the extending direction. | 04-12-2012 |
20120105782 | LIQUID CRYSTAL DISPLAY ELEMENT - A liquid crystal display element comprises a pair of substrates facing each other with a predetermined gap, strips of first electrodes formed on one substrate, strips of second electrodes formed on another substrate and crossing the first electrodes, an alignment film formed on at least one of the substrates and treated with an alignment process in a direction not perpendicular to a longitudinal direction of the second electrodes, a vertical alignment mode liquid crystal layer placed between the substrates and having a pretilt angle, and a pair of polarizers sandwiching the substrates, wherein the fist and the second electrodes cross each other to form pixels, and non-uniform alignment regions where liquid crystal molecules in a center of a thickness of the liquid crystal layer are aligned in a different direction from the direction defined by the alignment process appear near an edge of each pixel. | 05-03-2012 |
20130169908 | LIQUID CRYSTAL DISPLAY DEVICE AND PROCESS FOR PRODUCING THE SAME - A liquid crystal display comprising: a vertically aligned liquid crystal layer located between a first and a second substrate, a first and a second polarizing layer, and an optical compensation plate having negative biaxial optical anisotropy; wherein at least either the first or the second substrate has protrusions having approximately the same first height and protruding into the liquid crystal layer, the protrusions being formed only inside of the sealing material, the liquid crystal layer in the protrusion-free position having a second height, and the area of the region in which the thickness of the liquid crystal layer is equal to the value obtained by subtracting the first height from the second height as a result of the existence of the protrusions accounting for a %, which belongs to 5% to 50%, of the area of the region where the liquid crystal layer exists on the substrate with protrusions. | 07-04-2013 |
20130242369 | ELECTROCHROMIC DISPLAY - There is provided an electrochromic display that includes a display substrate, which includes a display electrode on a first substrate and an insulating film on or above the display electrode; a counter substrate having a counter electrode on a second substrate, the counter substrate facing the display substrate; and a color-developing layer containing an electrochromic material disposed in a region surrounded by a sealing member between the display substrate and the counter substrate. The insulating film is disposed on or above the display electrode except for a display region of the display electrode in the region surrounded by the sealing member. | 09-19-2013 |
20140078429 | VERTICAL ALIGNMENT TYPE LIQUID CRYSTAL DISPLAY APPARATUS HAVING IMPROVED DISPLAY UNIFORMITY - A mono domain vertical alignment type liquid crystal display apparatus to be multiplex driven is provided whose display uniformity at a large pretilt angle (near 90°) is improved. Waveform A is applied to a liquid crystal cell of a mono domain vertical alignment type, the waveform A having a duty not lower than 4 and a frame frequency of f. The frame frequency f is determined from a pretilt angle θp, and is a frequency not lower than 60 Hz at a pretilt angle of 88.5°≦θp<89.6° or a frequency not lower than [120×(θp−89.6)+60] Hz at a pretilt angle of 89.6°≦θp≦89.9°. | 03-20-2014 |
20140211115 | LIQUID CRYSTAL DISPLAY DEVICE AND EQUIPMENT MOUNTED WITH LIQUID CRYSTAL DISPAY DEVICE - A liquid crystal display device comprising:
| 07-31-2014 |