| Toshiba Mobile Display Co., Ltd. Patent applications |
| Patent application number | Title | Published |
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| 20120133874 | LIQUID CRYSTAL DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - In one embodiment, a liquid crystal display panel includes an array substrate and a counter substrate each having a display region and a peripheral region arranged adjacent to the display region. A resin layer is formed either one of the array substrate and the counter substrate. A protrusion in the shape of a wall is arranged on the resin layer with a gap between the protrusion and the substrate opposing the protrusion. A seal material is formed between the array substrate and the counter substrate, and arranged between a peripheral portion of the display region and the protrusion for attaching the array substrate and the counter substrate. A liquid crystal layer is formed in a surrounded region by the array substrate, the counter substrate and the seal material. | 05-31-2012 |
| 20120119982 | LIQUID CRYSTAL DISPLAY DEVICE - In one aspect, a liquid crystal display device includes a display region formed of a plural divided regions in a row direction. First and second driving circuits are arranged to face each other interposing the display region therebetween in the row direction. The first driving circuit is connected with odd scanning lines, and the second driving circuit is connected with the even scanning lines. A channel area of the TFT of the pixels connected to the odd scanning lines is the smallest in the divided region nearest to the first driving circuit and becomes larger gradually in the divided regions distant from the first driving circuit. A channel area of the TFT of the pixels connected to the even scanning lines is the smallest in the divided region nearest to the second driving circuit and becomes larger gradually in the divided regions with distant from the second driving circuit. | 05-17-2012 |
| 20120119217 | NONPLANAR DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - In one embodiment, a nonplanar display devise includes an array substrate and a counter substrate formed of non-glass material. The array substrate includes a polishing stopper layer formed on a glass substrate. A ground layer is formed on a polishing layer. A switching element is arranged on the ground layer, and a pixel electrode is connected to the switching element. The nonplanar display device is manufactures as follows. First, the glass substrate is removed from the display cell. Then, the polishing stopper layer of the array substrate is removed. Finally, the nonplanar display device is manufactured by attaching an exposed ground layer of the array substrate and an insulating layer formed of the non-glass material in the display cell. | 05-17-2012 |
| 20120099070 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. In the first substrate, gate lines extend in a first direction, and a first source line and a second source line extend in a second direction orthogonally crossing the first direction. A pixel electrode having a first belt-like main electrode is arranged approximately in a central portion between the first source line and the second source line and extending in the second direction. A first belt-like sub-electrode covers the gate line between the first source line and the second source line and extending in the first direction. The second substrate includes a counter electrode having a second main electrode arranged on the first and second source lines and extending in the second direction. A liquid crystal layer is held between the first substrate and the second substrate. | 04-26-2012 |
| 20120081499 | PRINT HEAD AND IMAGE-FORMING APPARATUS - According to one embodiment, a print head includes first and second substrates, an OLED array and a drive circuit. The first substrate extending in a first direction and has a main surface including first to third regions. The first region extends in the first direction. The second and third regions are arranged in a second direction crossing the first direction with the first region interposed between the second and third regions. The OLED array includes first electrodes arranged above the first region, an organic emitting layer positioned above the first electrodes, and a second electrode positioned above the organic emitting layer. The drive circuit is configured to supply drive currents to the first electrodes and includes a first circuit positioned above the third region and a second circuit positioned above the third region. | 04-05-2012 |
| 20120081495 | ORGANIC EL DEVICE, LIGHT SOURCE MODULE AND PRINTER - According to one embodiment, an organic EL device includes a substrate, a first translucent insulating film, a second translucent insulating film, a first electrode, a second electrode, and an emitting layer. The substrate has a first index of refraction. The first translucent insulating film is on the substrate, and the first insulating film has a second index of refraction higher than the first index of refraction. The second translucent insulating film is on the first insulating film, and the second insulating film has a third index of refraction lower than the second index of refraction. The first electrode is on the second insulating film, and the first electrode has a fourth index of refraction higher than the third index of refraction. The second electrode is facing the first electrode. The emitting layer is between the first electrode and the second electrode. | 04-05-2012 |
| 20120057088 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DISPLAYING THE SAME - In one embodiment, an array substrate includes a plurality of gate lines extending in a column direction. A lighting device includes a first lighting unit, a second lighting unit, and a lighting driver to light on and light off the first and second lighting units independently. The first lighting unit includes a first light source arranged on a scanning starting side of the gate lines. The second lighting unit includes a second light source arranged on a scanning terminating side of the gate lines. The lighting driver lights on the second lighting unit after lighting on the first lighting unit, and lights off the second lighting unit after lighting off the first lighting unit in a period between a starting time to write a first signal and a finishing time to write a second signal in the plurality of pixels. | 03-08-2012 |
| 20120045856 | METHOD OF MANUFACTURING ORGANIC EL DEVICE - According to one embodiment, a method of manufacturing an organic EL device is disclosed. The method can arrange an adhesive agent of an ultraviolet curable type between a first substrate on which a plurality of light emitting parts are formed in a predetermined direction and a second substrate arranged to face the first substrate separately so as to surround the light emitting parts. Each of the light emitting parts comprises a plurality of organic EL elements. The method can form a substrate pair by exposing the adhesive agent to ultraviolet rays to bond the first substrate and the second substrate to each other with the adhesive agent. The method can place the substrate pair on a first holding member capable of holding an entire surface of the first substrate or the second substrate. The method can place the substrate pair on a second holding member after a predetermined period of time has passed, the second holding member being capable of holding the substrate pair with at least two supporting members positioned along the first substrate or the second substrate. The method can cut the substrate pair around the adhesive agent with each of the light emitting parts as a unit. | 02-23-2012 |
| 20120044176 | DISPLAY DEVICE - In one embodiment, a display device having a touch function includes an insulating substrate and a plurality of pixels formed on the insulating substrate and arranged in a matrix of rows and columns. The pixels form a plurality of pixel blocks formed of a plurality of rows and columns of the pixels. A sensor circuit is arranged in a space between adjacent pixels on the insulating substrate and includes a coupling electrode, a detection electrode arranged adjacent to the coupling electrode for forming a coupling capacitance therebetween, and a reading-out circuit to read out a potential of the detection electrode. At least one sensor circuit is arranged in each pixel block. The contact or non-contact by a fingertip or a nib is detected by a potential difference of the detection electrode. | 02-23-2012 |
| 20120026420 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, first and second driver circuits are arranged interposing a matrix of pixels. A timing control circuit is electrically connected with the first and second driver circuits. The first driver circuit including a first sequential circuit is electrically connected with the odd scanning lines, and supplies scanning signals to the odd signal lines in order. The second driver circuit including a second sequential circuit is electrically connected with the even scanning lines, and supplies the scanning signals to the even scanning lines in order. The timing control circuit generates first and second synchronization signals, and supplies the first synchronization signal to the first driver circuit and the second synchronization signal to the second driver circuit. The first and second driver circuits supply the scanning signals to the scanning lines in order for every line upon receiving the first synchronization signal and the second synchronization signal from the timing control circuit. | 02-02-2012 |
| 20120026270 | ORGANIC EL DEVICE, METHOD OF MANUFACTURING THE SAME AND PRINTER - According to one embodiment, an organic EL device includes a first substrate, a second substrate, an adhesive agent, and a drying agent. An organic EL element is formed on the first substrate. The second substrate has a first surface facing the first substrate and a second surface on an opposite side from the first surface. A concave portion having a bottom portion and a sidewall portion is formed on the first surface. The adhesive agent is surrounding the organic EL element. The adhesive agent is configured to join the first substrate and the second substrate to each other. The drying agent is applied to at least a part of the bottom portion and the sidewall portion of the concave portion. | 02-02-2012 |
| 20120019755 | LIQUID CRYSTAL DISPLAY PANEL - In one embodiment, a liquid crystal display panel includes a plurality of pixels arranged in a first direction and a second direction orthogonally crossing with the first direction. A first alignment pattern is formed in the counter electrode. The first alignment pattern faces the pixel electrode and extending in the first direction. A second alignment pattern is formed in the counter electrode. The second alignment pattern also faces the pixel electrode and extends in the second direction intersecting with the first alignment pattern. An expanding alignment portion is arranged at the intersecting portion of the first alignment pattern and the second alignment pattern. The first and second alignment patterns are formed of alignment slits or alignment protrusions arranged in the counter substrate. | 01-26-2012 |
| 20120013830 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device includes a first substrate having a first pixel electrode and a first pillar-shaped spacer arranged in an active area, and a second pixel electrode and a second pillar-shaped spacer arranged in a shield area surrounding the active area. A shield layer is formed in the shape of a belt crossing above the first pillar-shaped spacer in the active area and extending to the shield area including a portion above the second pillar-shaped spacer. The height of a first seat layer formed above the first pillar-shaped spacer and including the shield layer, a first color filter layer and an overcoat layer is substantially the same as that of a second seat layer formed above the second pillar-shaped spacer and including the shield layer, a second color filter layer and the overcoat layer. | 01-19-2012 |
| 20120008080 | LIQUID CRYSTAL DISPLAY PANEL - In one embodiment, a liquid crystal panel includes an array substrate, a counter substrate arranged opposing the array substrate through a gap between the array substrate and the counter substrate and a liquid crystal layer held between the gap. The array substrate includes a scanning line, a signal line, a switching element arranged close to an intersection of the scanning line with the signal line. A metal seat layer is formed on an insulating layer facing the signal line. A pillar-shaped spacer is formed on the metal seat layer for holding the gap between the array substrate and the counter substrate. | 01-12-2012 |
| 20120007496 | ORGANIC ELECTROLUMINESCENCE LIGHTING APPARATUS - In one embodiment, an organic EL lighting apparatus includes a pixel line, a cathode line extending in substantially parallel each other in an active area, and a plurality of light emitting pixels. The light emitting pixel includes an anode electrode electrically connected to the pixel line, a cathode electrode arranged on the anode electrode and a light emitting organic layer arranged between the anode electrode and the cathode electrode. A dot is arranged adjacent to the light emitting pixel for a contact of the cathode line with the cathode electrode. | 01-12-2012 |
| 20110310336 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device includes first and second substrates, an active area to display an image, a seal material surrounding the active area, and an intermediate area between the active area and the seal area. In the intermediate area, first and second color filters are formed on the second substrate. An overcoat layer is laminated on the first and second color filters. First and second pillar-shaped spacers are provided between the overcoat layer and the first substrate corresponding to the first and second color filters to form a first and second cell gaps between the first and second substrates, respectively. The first cell gap adjacent to the active area between the first and second substrates is smaller than the second cell gap adjacent to the seal area in the intermediate area. | 12-22-2011 |
| 20110300781 | METHOD OF MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a first substrate including first and second array regions are prepared. The first and second array regions respectively include first and second active areas. A peripheral seal material having an air intake opening is arranged outside the first and second array regions. A second substrate is arranged on the surface of the first substrate in which the first and second seal materials and peripheral seal material are formed in a vacuum chamber under vacuum state. Atmosphere is introduced into the vacuum chamber and a space between the first and second seal materials from the air intake opening. Then, a pressure is applied to the first and second substrates by pressure difference between the atmospheric pressure of circumference which surrounds the first substrate and second substrate, and the atmospheric pressure of the space between the first substrate and second substrate. | 12-08-2011 |
| 20110297645 | METHOD OF MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a first substrate having a plurality of array regions is prepared. A seal material is formed in each of the array regions. A peripheral seal material is arranged outside the array regions extending in a first direction. The peripheral seal material has an exhaust opening provided at a portion of the peripheral seal material extending in a second direction. A dummy seal material is formed between the peripheral seal material extending in the first direction and the seal material formed in the array region. A second substrate is arranged on a surface of the first substrate in a jig. The inside of the jig is decompressed, and the atmosphere between the first and second substrates is exhausted while applying a pressure to the first and second substrates. Then, the first and second substrates are attached by curing the seal material, the peripheral seal material and the dummy seal material. | 12-08-2011 |
| 20110291551 | ORGANIC EL ELEMENT AND ORGANIC EL DEVICE - According to one embodiment, an organic EL element has a first electrode on a first substrate, a first carrier transport layer on the first electrode, an emitting layer on the first carrier transport layer, a second carrier transport layer on the emitting layer, a second electrode on the second carrier transport layer, a first heat absorbing layer on the second electrode, the first heat absorbing layer being separated from a center of the second electrode, and a second substrate on the first heat absorbing layer. | 12-01-2011 |
| 20110285954 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - In one embodiment, a liquid crystal display device includes a first substrate and second substrate opposing the first substrate. A seal material is formed on the first substrate to attach the first substrate and second substrate with a predetermined cell gap therebetween. The seal material is formed in an approximately rectangular closed loop shape having four straight line portions. The straight line portion includes an expanded portion in which the width of one of the straight line portions is locally expanded. A barrier is arranged between the location where the expanded portion is formed and one end of the first substrate. | 11-24-2011 |
| 20110273397 | ORGANIC EL DISPLAY DEVICE AND METHOD FOR DETECTING TOUCH - According to one embodiment, an organic EL display device has a pixel circuit on a first substrate and a touch detection circuit adjacent to the pixel circuit on the first substrate. The pixel circuit has an organic EL light-emitting element configured to emit light having brightness depending on a pixel voltage supplied by a pixel signal line, a drive element configured to drive the organic EL light-emitting element, and a first select element configured to supply the pixel voltage to the drive element in synchronization with a control signal supplied by a control signal line. The touch detection circuit has a touch detection capacitor configured to detect a presence/absence of a touch of a dielectric and a second select element configured to output a signal indicative of the presence/absence of the touch of the dielectric detected by the touch detection capacitor to an electrostatic signal line in synchronization with the control signal supplied by the control signal line. | 11-10-2011 |
| 20110242651 | STEREOSCOPIC LIQUID CRYSTAL SHUTTER GLASSES AND STEREOSCOPIC IMAGE DISPLAY SYSTEM - According to one embodiment, stereoscopic liquid crystal shutter glasses include a left-eye liquid crystal shutter and a right-eye liquid crystal shutter. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a response time not more than 5 milliseconds. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a contrast ratio not less than 40:1. The contrast ratio is a value at an angle of sight of 35 degrees in all directions. | 10-06-2011 |
| 20110242469 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer held between the first and second substrates. The first substrate includes a first insulating substrate, and a pixel electrode and a counter electrode formed on the first insulating substrate. The second substrate includes a second insulating substrate. A first light shield layer is formed on a surface of the second insulating substrate apart from an end of the second insulating substrate opposing to the first substrate, and having a frame portion in a frame shape. Furthermore, a second light shield layer is arranged adjoining the first light shield layer extending up to the end of the second insulating substrate opposing to the first substrate. A third light shield layer to shield light is provided between the first light shield layer and second light shield layer. | 10-06-2011 |
| 20110242101 | STEREOSCOPIC LIQUID CRYSTAL SHUTTER GLASSES AND STEREOSCOPIC IMAGE DISPLAY SYSTEM - According to one embodiment, stereoscopic liquid crystal shutter glasses include a left-eye liquid crystal shutter and a right-eye liquid crystal shutter. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a response time not more than 5 milliseconds. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a contrast ratio not less than 350:1. The contrast ratio is a value at an angle of sight of 30 degrees in left direction and in right direction. | 10-06-2011 |
| 20110242089 | LIQUID CRYSTAL SHUTTER, DRIVING METHOD OF THE SAME AND IMAGE DISPLAY SYSTEM - In one embodiment, the liquid crystal shutter is equipped with a first liquid crystal panel in the OCB mode to control the transmissivity of the light entering into left eye and a second liquid crystal panel in the OCB mode to control the transmissivity of the light entering into right eye, and a drive portion to control the transmissivity. The drive portion applies a normal voltage of a normal drive in a pulse shape and a retention voltage having a pulse shape with lower frequency than the normal voltage or lower voltage than normal voltage to the first liquid crystal panel and the second liquid crystal panel. The drive portion switches between the normal drive and the retention drive while maintaining bend alignment state. | 10-06-2011 |
| 20110234947 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device includes a first substrate having a pixel electrode and a second substrate having a counter electrode. The pixel electrode includes a first pixel electrode portion in a belt-like shape extending in a first direction and a second pixel electrode portion connected with one end of the first pixel electrode portion and extending in a second direction orthogonally crossing the first direction. The counter electrode includes a first counter electrode portion in a belt-like shape extending in the first direction to form a lateral electric field between the first counter electrode portion and the first pixel electrode portion. A liquid crystal layer is held between the first substrate and the second substrate. The lateral electric field is applied to the liquid crystal layer. | 09-29-2011 |
| 20110233576 | ORGANIC EL DEVICE AND METHOD FOR MANUFACTURING THE SAME - According to one embodiment, an organic EL device includes a first organic EL element, a second organic EL element and a third organic EL element. The first organic EL element has a first electrode, a second electrode, and a first emitting layer. The second organic EL element has a third electrode, a fourth electrode, and a second emitting layer. At least a part of the first emitting layer extends on the second emitting layer. A third organic EL element has a fifth electrode, a sixth electrode, and a third emitting layer. At least a part of the first and the second emitting layers extends on the third emitting layer. A thickness of the first emitting layer between the first and the second electrodes is thicker than a thickness of the first emitting layer extending on the second and the third emitting layers. | 09-29-2011 |
| 20110187951 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device includes a first insulating substrate and a second insulating substrate opposing the first insulating substrate. An electric power supply line formed along a perimeter of the first insulating substrate, and an electric power supply pad is arranged at a corner portion of the first insulating substrate apart from the electric power supply line. A plurality of signal lines are formed crossing between the electric power supply line and the electric power supply pad. An insulating layer covers the signal lines, and a connection electrode is arranged on the insulating layer for connecting the electric power supply line and the electric power supply pad. At least one slit is formed in the connection electrode extending in a direction so as to cross the signal lines. An electrically conductive element connects the electric power supply pad with a counter electrode. | 08-04-2011 |
| 20110181586 | DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - In one embodiment, a driving circuit includes first, second, third and fourth transistors each having first and second electrodes, and a control gate electrode. First and second input signals for producing alternating current voltage are inputted to the respective first electrodes of the first and second transistors. The first electrode of the third transistor and the second electrode of the fourth transistor are commonly connected with an output terminal. The second electrode of the third transistor and the first electrode of the fourth transistor are respectively connected with first and second voltage sources. The control gate electrodes of the third and fourth transistors are respectively connected with the second electrodes of the first and second transistors. The driving circuit further includes first and second potential holding devices to control the switching operation of the third and fourth transistors to output the first and second voltages. | 07-28-2011 |
| 20110157504 | LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment, a liquid crystal display device having a plurality of pixels includes a first substrate having an insulating substrate, a first detection element extending in a first direction above the insulating substrate, a second detection element extending in a second direction crossing the first direction and an insulating film provided between the first and second detection circuits. A second substrate is arranged opposing to the first substrate so as to hold a liquid crystal layer therebetween. A detection circuit is provided on the first substrate to detect change of electrostatic capacitance between the first and second detection elements. At least one of the first and second detection elements is an element required for operating the liquid crystal layer. | 06-30-2011 |
| 20110149182 | LIQUID CRYSTAL SHUTTER GLASSES - In one embodiment, a pair of liquid crystal shutter glasses include a first liquid crystal shutter and a second liquid crystal shutter. The first and second liquid crystal shutters are switched to a transmissive state by turns. The respective first and second liquid crystal shutters include a first electrode substrate and a second electrode substrate opposing the first electrode substrate. An OCB (Optically Compensated Bend) mode liquid crystal layer is held between the first and second electrode substrates. The first electrode substrate includes a first electrode and a second electrode arranged adjacent to the first electrode. The first and second electrodes respectively include a side opposing each other and a plurality of projecting portions provided to the respective opposing sides of the first and second electrodes alternately. | 06-23-2011 |
| 20110141382 | LIQUID CRYSTAL SHUTTER, DRIVING METHOD OF THE SAME AND IMAGE DISPLAY SYSTEM - In one embodiment, a liquid crystal shutter includes a first liquid crystal panel for left eye and a second liquid crystal panel for right eye. Each liquid crystal panel includes a pair of electrode substrates and a liquid crystal layer held between the electrode substrates. A driving circuit switches the first and second liquid crystal panels between a transmissive state and a non-transmissive state by turns by applying a voltage to the first and second liquid crystal panels while inversing the polarity of the voltage applied between the pair of the electrode substrates at least once during a period in the transmissive state. | 06-16-2011 |
| 20110134115 | DISPLAY DEVICE, LIQUID CRYSTAL SHUTTER GLASSES AND DISPLAY SYSTEM USING THE SAME - In one embodiment, a display device includes a display panel having pixels. A first image signal for displaying two-dimensional pictures, a second image signal for displaying three-dimensional pictures, and a third image signal for displaying a black picture are written into the pixels. A control circuit writes the third image signal to the pixel of the display panel during at least one frame period when switching a first mode for displaying the two-dimensional pictures and a second mode for displaying the three-dimensional pictures. | 06-09-2011 |
| 20110134057 | DISPLAY DEVICE - A display panel includes a first end portion and a second end portion facing each other. A face panel is arranged above the front side of the display panel including a first extending portion and a second extending portion extending to the outside from the first and second end portions of the display panel. An adhesive element is provided on the display panel along its end portions to adhere the display panel to the face panel. A frame is arranged so as to being spaced apart from the display panel having a first supporting portion and a second supporting portion to support the first and second extending portions of the face panel. The first and the second extending portions of the face panel are sandwiched between the bezel and the first and second supporting portions of the frame so that the display panel does not contact with the frame. | 06-09-2011 |
| 20110122114 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device includes an array substrate, a counter substrate and a liquid crystal layer held between the array substrate and the counter substrate. A display portion having a plurality of pixels arranged in a matrix is formed of the substrates and the liquid crystal layer. Each of the pixels includes a pixel electrode and a counter electrode arranged opposing to the pixel electrode. A driving portion is formed on the array substrate to supply a pixel voltage to the pixel electrode. A correcting circuit is formed on the array substrate to correct the voltage supplied to the pixel electrode by adding a predetermined DC voltage to the voltage supplied to the pixel electrode corresponding to gradations to be displayed in the pixel. | 05-26-2011 |
| 20110109862 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - In one embodiment, a liquid crystal display device includes a plurality of pixel electrodes arranged in a matrix of rows and columns on a first substrate. A plurality of counter electrodes extend along the pixel electrodes in the row direction. Each of the counter electrodes includes a first counter electrode opposing to the plurality of pixel electrodes through a first insulating layer and a second counter electrode opposing to the first counter electrode through a second insulating layer. The first counter electrode is electrically connected with the second counter electrode through a contact hole formed in the second insulating layer. The wiring resistance of the second counter electrode is smaller than that of the first counter electrode. | 05-12-2011 |
| 20110102405 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device includes a plurality of common electrodes arranged so as to counter pixel electrodes extending in the row direction on a substrate. First and second voltage supply lines to supply first and second voltages to the common electrodes are connected with the common electrodes through a first switch circuit. A second switch circuit is arranged between the first voltage supply line and signal lines to switch a connection between the first voltage supply line and the signal lines. A gate open circuit is connected to scan lines to simultaneously supply a signal to switch on the pixel electrodes to all the scan lines. In case the power supply of the liquid crystal display device is turned off, a control circuit starts the power OFF driving operation to set the potential of the pixel electrode and the common electrode to substantially same by switching the first and second switch circuits. | 05-05-2011 |
| 20100309401 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display device includes a plurality of pixels arranged near intersections between signal lines and scan lines in a matrix to form a display area. The scan lines and signal lines extend in a row and a column directions of the pixels in the display area. A first conductive layer is arranged on an insulating substrate. A second conductive layer is arranged on the first conductive layer through an insulating layer. The second conductive layer is electrically connected to the signal line. The first conductive layer includes an opposite region opposite to the second conductive layer and is arranged to surround the display area. The opposite region includes a cut out portion in which a disconnected scan line is repaired by irradiating the cut out portion with laser. | 12-09-2010 |
| 20100289786 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device includes a display portion having a first substrate, a second substrate opposing to the first substrate, a liquid crystal layer held between the first and second substrates, and a plurality of pixels arranged in a delta shape. A plurality of pixel electrodes are respectively connected to signal lines extending in a first direction via a switch. The switch is controlled by scanning lines extending in a second direction which orthogonally crosses the first direction. The signal lines extend in a space between the pixel electrodes in a meandering shape in the second direction, and two kinds of color pixels are connected with a common signal line in turn via the pixel switch. | 11-18-2010 |
| 20100283385 | ORGANIC EL DEVICE - According to one embodiment, an organic EL device includes a first organic EL element having a first pixel electrode, a counter-electrode, and a first organic multiplayer structure, a second organic EL element having a second pixel electrode, a counter-electrode, and a second organic multiplayer structure, a third organic EL element having a third pixel electrode, a counter-electrode, and a third organic multiplayer structure. The first organic multiplayer structure includes a first organic layer, a first hole transport layer, and a first electron transport layer. The second organic multiplayer structure includes a second organic layer, a first hole transport layer, and a first electron transport layer. The third organic multiplayer structure includes a third organic layer, a first hole transport layer, a second hole transport layer, a first electron transport layer, and a second electron transport layer. | 11-11-2010 |
| 20100271572 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display device includes a polarizer plate attached to at least one of outer surfaces opposed to the inner surfaces of a counter substrate and an array substrate. A liquid crystal layer is interposed between the inner surfaces. Active areas are formed on the respective array substrate and the counter substrate to form a plurality of pixels in a matrix by a shield element. The shield element is formed to surround the active area on the counter substrate and extending to a corner portion of the counter substrate. A polarizer plate fiducial mark including a first mark formed on the counter substrate by the same material as the shield layer and a second mark formed of an aperture made in the shield layer is formed to check alignment error of the attached polarizer plate. | 10-28-2010 |
| 20100265237 | EL DISPLAY DEVICE AND DRIVING METHOD THEREOF - There is provided an EL display device including: a drive transistor configured to determine an electric current to be supplied to the EL element; and a capacity for retaining a gate voltage of the drive transistor, wherein a gate electrode of the drive transistor is connected to a first electrode, which is one of electrodes of the capacity, a first power source and a second power source are connected alternately to a second electrode, which is the other electrode of the capacity, a power source of a reference voltage is connected in a first period in which a signal from a source signal line is applied to the drive transistor, and an EL anodic power source is connected in a second period in which the drive transistor supplies an electric current to the EL element. | 10-21-2010 |
| 20100245697 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A liquid crystal display device comprises a display area including a plurality of pixels arranged in a matrix. A driving unit to drive the plurality of pixels each having a pixel switch is connected to signal lines and scan lines. An auxiliary capacitance voltage is interposed to a pixel electrode connected to the pixel switch through auxiliary capacitance lines arranged along the pixels in a row direction. The driving unit includes an auxiliary capacitance line driving circuit to supply a first voltage, a second voltage smaller than the first voltage and a third voltage smaller than the second voltage to the auxiliary capacitance lines. The voltage difference between the first voltage and the second voltage is smaller than that between the second voltage and the third voltage. | 09-30-2010 |
| 20100214261 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a pixel array substrate having signal lines and scan lines arranged in a matrix, and pixel circuits arranged at intersections of the signal and scan lines. A touch panel is attached on the counter substrate to draw pictures or characters on a display panel. A first voltage generation circuit generates an analog pixel voltage applied to the signal lines and a second voltage generation circuit generates a counter electrode voltage applied to the counter electrode. A settling adjustment circuit adjusts a settling time of at least one of the analog pixel voltage and the counter electrode voltage. | 08-26-2010 |
| 20100201653 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes first and second display panels each including scan lines arranged in a row direction, signal lines arranged in a column direction, and pixels arranged in a matrix at intersections of the first scan lines and the first signal lines. The first display panel and the second display panel are set in a non-display mode and in a display mode, respectively. Shift registers and buffer circuits connected to respective groups of scan lines sequentially drive respective group of scan lines in the first display panel during a vertical blanking time of the second display panel. The pixels of the first display panel are driven to refresh by writing an image signal for a black display in the first display panel. | 08-12-2010 |
| 20100195037 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display device comprises an array substrate having first and second pixel electrodes arranged adjacent each other and a counter substrate having a counter electrode opposing to the first and second pixel electrodes. First and second slits are formed on the counter electrode opposing to the first and second pixel electrode so as to cross the first and second pixel electrode, respectively. The counter electrode is separated into a first counter electrode portion and a second counter electrode portion by the first and second slits. A connecting counter electrode portion is arranged between the first and second slits to connect the first and second counter electrode portions. A columnar spacer is arranged between the first and second slits opposing to the connecting counter electrode portion to form a cell gap between the array substrate and the counter substrate. | 08-05-2010 |
| 20100195014 | BACKLIGHT UNIT AND THE LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A backlight unit includes a rectangular light guide plate including a first edge and a second edge orthogonally crossing each other. A light source arranged on a flexible substrate emits light to the first edge of the light guide plate and then the light emitted from the light source is emitted to outside from an upper surface of the light guide plate. A connection flexible substrate is connected to the flexible substrate and arranged along the second edge of the light guide plate to outside of the backlight unit. The second edge of the light guide plate facing the connection flexible substrate is cut out at an acute angle to the first edge of the light guide plate to pass around the connection flexible substrate. | 08-05-2010 |
| 20100156857 | DISPLAY DEVICE - A display device includes a display cell including a display region and a frame region surrounding the display region. A driver circuit is connected to the display cell to drive the display cell and is controlled by a circuit board arranged along in a longitudinal direction of the display cell. An insulating protection sheet covers the driver circuit and the circuit board, and one end of the insulating protection sheet is fixed to the frame region of the display cell. A conductive tape is formed on the insulating protection sheet between the display region and the driver circuit along one side of the display cell, such that static charges generated in the display region are discharged to ground through the conductive tape. | 06-24-2010 |
| 20100141874 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having a non-rectangular display panel includes an active area which is defined by a peripheral shield layer. A plurality of pixels are formed in the active area in a matrix and typically each pixel includes a plurality of sub-pixels to display respective different colors. The pixels include a first pixel arranged in the peripheral region of the active area and a second pixel arranged at an inner region. A part of the first pixel located in a peripheral region of the active area is covered with the peripheral shield layer. The thickness of the color filter layer arranged in the first pixel where the peripheral shield layer overlaps with the first pixel is smaller than that of a same color filter arranged in the second pixel having a larger effective display area than that of the first pixel area. | 06-10-2010 |
| 20100128019 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a plurality of pixels arranged on a substrate in a matrix, a source driver circuit to supply source signals to source lines connected to each pixel arranged in a column direction and a gate driver circuit to supply gate signals to respective gate lines connected to pixels arranged in a row direction. A control circuit outputs an array control signal for a partial display to a receiver circuit that receives a partial display start address to specify a gate line for starting a partial display and a partial display end address to specify a gate line for ending the partial display. A decoder circuit outputs a control signal to control a range of the gate lines driven by the gate driver circuit. | 05-27-2010 |
| 20100109990 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a pair of substrates, a plurality of pixels arranged in a matrix and a static memory formed on the substrates. A bit signal corresponding to an image data is written and held in a static memory in the pixel. The polarity of the input bit signal is controlled. A liquid crystal voltage supplied to a liquid crystal layer arranged between the pair of substrates is generated by the bit signal. The polarity of the bit signal is controlled to alternate the liquid crystal voltage, and a transmittance of the liquid crystal layer is changed by supplying the alternated liquid crystal voltage. | 05-06-2010 |
| 20100090589 | ORGANIC EL DISPLAY - An organic EL display comprises an electrode layer including reflecting film; a counter electrode provided in front of said electrode layer; and an organic material layer including a light emitting layer provided between said electrode layer and said counter electrode; wherein said counter electrode includes a first conductive electrode and a second conductive electrode which is provided in front of said first conductive electrode, said first conductive electrode is made of silver (Ag) or an alloy of silver and magnesium (MgAg) whose principal element is silver (Ag), and said second conductive electrode is made of an alloy of silver and magnesium (MgAg) whose principal element is magnesium (Mg). | 04-15-2010 |
| 20100079065 | DISPLAY DEVICE - A display device including an active area having a plurality of pixels and a peripheral area outside the active area comprises an array substrate including a plurality of transistors corresponding to said pixels each other, an organic insulation film covering said transistors in said active area and a plurality of display elements each of which includes a first electrode, a second electrode and an organic active layer therebetween over said organic insulation film; a sealing substrate disposed to be opposed to said array substrate; a seal member made of frit glass and disposed between said array substrate and said sealing substrate at a seal area in said peripheral area; wherein said organic insulation film is removed at said seal area, said array substrate includes a laminate structure of metal layer and an inorganic non-metal layer on said metal layer at said seal area and said seal member directly contacts to said inorganic non-metal layer. | 04-01-2010 |
| 20100078646 | DISPLAY DEVICE - A display device including an active area having a plurality of pixels comprises an array substrate including a plurality of display elements disposed at said pixels respectively; a sealing substrate disposed to be opposed to said array substrate; and a seal member disposed between said array substrate and said sealing substrate and encircling said active area; wherein said seal member is made of frit glass, and a resin layer is disposed between said array substrate and said sealing substrate in said active area. | 04-01-2010 |
| 20100078629 | ORGANIC EL DISPLAY DEVICE - An organic EL display device includes a pixel electrode which is disposed in each of first to third organic EL elements, a first light emission layer which includes a first dopant material having a first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above the pixel electrode, a second light emission layer which includes a second dopant material having a second absorbance peak and is disposed above the first light emission layer, a third light emission layer which is disposed above the second light emission layer, a counter-electrode which is disposed above the third light emission layer, and a hole transport layer which is formed of a material having an absorbance bottom on a shorter wavelength side than the first absorbance peak and the second absorbance peak in absorbance spectrum characteristics of the hole transport layer. | 04-01-2010 |
| 20100066967 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel having an active area in which pixels are arranged in a matrix including first and second signal lines and connecting lines. The second signal lines and connecting lines extend in a column direction in the active area. The first signal lines extend in a row direction so as to cross the second signal lines and the connecting lines. The first signal lines are connected to the connecting lines through contact portions provided at the cross area where the first signal lines cross with the connecting lines interposing an insulating layer. The second signal lines and the connecting lines are pulled out from the active area to a signal supply source provided at outside of the active area without detouring in a peripheral region of the display panel. | 03-18-2010 |
| 20100060814 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes an array substrate, a counter substrate and a liquid crystal layer having liquid crystal molecules interposed therebetween. The liquid crystal molecules are aligned in a direction normal to a surface of the substrates under a condition where no electrical voltage is supplied between a picture electrode and a counter electrode. An alignment control device is provided at the counter substrate and configured to control the alignment of the liquid crystal molecules under a condition where an electric field is applied between the picture electrode and the counter electrode. A scanning line crossing a pixel is divided into first and second segments. The array substrate includes a connecting element to connect the first and second segments opposite the alignment control device. | 03-11-2010 |
| 20100033669 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING A LIQUID CRYSTAL DISPLAY DEVICE - A display device has a pair of substrates arranged opposite to each other, a light modulation layer interposed between the pair of substrates, and spacers arranged between the pair of substrates to maintain a gap therebetween. A display area is formed by the pair of substrates, the modulation layer and the spacers, and includes a plurality of pixels arranged in rows and columns of a matrix. The spacers are arranged between adjacent pixels in the column direction so that an area density of the spacers continuously changes from an edge portion to a predetermined portion in the display area extending in the row direction. | 02-11-2010 |
| 20100020277 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having a non-rectangular display panel includes an active area which is defined by a peripheral shield layer. A plurality of pixels are formed in the active area in a matrix, and each pixel includes a plurality of sub-pixels to display colors different from each other. A part of the sub-pixels of peripheral pixels located in a peripheral region of the active area is covered with a peripheral shield layer. Shield elements are arranged in the sub-pixels which are not covered with the peripheral shield layer so that an effective display area of each of the sub-pixels of the peripheral pixel is substantially equal. | 01-28-2010 |
| 20100014035 | PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING THE SAME - A printed circuit board for mounting electronic parts thereon includes a ground portion formed on the printed circuit board and connected to an outer ground. A plurality of conductive ground layers are stacked so as to interpose an insulation layer therebetween. An upper conductive ground layer includes first and second conductive ground portions. The first and second ground portions are connected by a connecting element. Another conductive ground layer under the upper conductive ground layer is grounded via the first and second ground portions of the upper conductive ground layer via a through hole provided in the ground portion. | 01-21-2010 |
| 20100002178 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF PRODUCING THE SAME - A liquid crystal display device having a plurality of pixels arranged in a matrix includes first and second substrates and a liquid crystal layer held therebetween. Switching elements are arranged in each of the pixels on the first substrate. A first organic insulating film covers signal lines, scan lines and switching elements. Common electrodes are formed in the first organic insulating film on the first substrate. Connection elements are electrically connected to the switching elements through first contact holes formed in the first organic insulating film. A second organic insulating film covers the first organic insulating film and the connection elements. Pixel electrodes having slits are formed on the second organic insulating film electrically connected to the respective connection elements through second contact holes formed in the second organic insulating film. The liquid crystal layer is switched by using a lateral electric field between the common and pixel electrodes formed on the first substrate. | 01-07-2010 |
| 20090316100 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes first and second substrates and a liquid crystal layer interposed therebetween. The first substrate includes first and second electrodes separated by an insulation interlayer provided for each pixel. The second electrode has a plurality of slits. An alignment of liquid crystal molecules of the liquid crystal layer is controlled by operation of first and second transistors to control an electric field between the first and second electrodes. The first transistor includes a drain electrode coupled to the first electrode, and the second transistor includes a drain electrode coupled to the second electrode. The second transistor is switched in synchronization with the first transistor. | 12-24-2009 |
