Abstract: The present invention provides a photo sensor, a method of forming the photo sensor, and a related optical touch device. The photo sensor includes a first electrode, a second electrode, a first silicon-rich dielectric layer and a second silicon-rich dielectric layer. The first silicon-rich dielectric layer is disposed between the first electrode and the second electrode for sensing infrared rays, and the second silicon-rich dielectric layer is disposed between the first silicon-rich dielectric layer and the second electrode for sensing visible light beams. The multi-layer structure including the first silicon-rich dielectric layer and the second silicon-rich dielectric layer enables the single photo sensor to effectively detect both infrared rays and visible light beams. Moreover, the single photo sensor is easily integrated into an optical touch device to form optical touch panel integrated on glass.

Abstract: An electronic apparatus and a display thereof are disclosed. The display includes a back plate, a photoelectric converting module, and a display module. The back plate has an inner surface and an open is formed on the back plate. The back plate has an inner edge around the open. The inner edge is concave toward the direction back to inner surface to form a supporting part. The photoelectric converting module is disposed on the supporting part without protruding out of the inner surface. The photoelectric converting module has a light-receiving surface exposed to the open. The display module is disposed on the inner surface of the back plate and the display module covers the photoelectric converting module. The display module has a display surface back to the photoelectric converting module.

Abstract: Embodiments of the disclosed technology provide an array substrate comprising a plurality of pixel units each of which comprises a gate scanning line, a source scanning line, a thin film transistor (TFT), a storage capacitor, and at least one photosensitive transistor, wherein a gate electrode of the photosensitive transistor and a gate electrode of the TFT are connected with the same gate scanning line, a drain electrode of the photosensitive transistor and a drain electrode of the TFT are connected with the storage capacitor, a source electrode of the TFT is connected with the source scanning line, and a source electrode of the photosensitive transistor is connected with its own gate electrode. In addition, the embodiments of the disclosed technology also provide a liquid crystal panel comprising the array substrate and a display device comprising the liquid crystal panel.

Abstract: A touch module with photovoltaic conversion function includes a touch zone and a non-touch zone. The touch zone includes a first clear substrate, a second clear substrate and a photovoltaic conversion unit. The first clear substrate has opposite first and second sides, and the second clear substrate has opposite third and fourth sides. A first and a second touch electrode layer are provided on the second side and the third side, respectively; and the photovoltaic conversion unit is provided on the first side of the first clear substrate. By providing the photovoltaic conversion unit in the touch zone of the touch module, the photovoltaic conversion unit can have increased light-absorption areas to enable conversion of light into more electric current and accordingly, enable a touch device using the touch module to have extended standby and operation time.

Abstract: Provided is an optical sensor having such a novel structure that even if an intrinsic semiconductor region has a short substantial length in a direction parallel with a forward direction of a photodiode, a light receiving area can be ensured, whereby light detection sensitivity can be improved; and a liquid crystal panel including the optical sensor. The optical sensor includes: a photodiode (26) provided with a semiconductor film (28) having a p-type semiconductor region (28p), an intrinsic semiconductor region (28i), and an n-type semiconductor region (28n); a first gate line (38a) formed above the intrinsic semiconductor region (28i), a negative voltage being applied to the first gate line; and a second gate line (38b) formed above the intrinsic semiconductor region (28i), a positive voltage being applied to the second gate line, wherein a predetermined clearance is formed between the first gate line (38a) and the second gate line (38b), above the intrinsic semiconductor region (28i).

Abstract: Provided are a liquid crystal display, a method of estimating ambient light, and a driving method of the liquid crystal display. The liquid crystal display includes a first electrode and a second electrode generating an electric field, liquid crystal molecules the orientation state of which is changed by the generated electric field, and a photodetector sensing the light passing through the liquid crystal molecules.

Abstract: A method, apparatus, and system for using solar panels to power display panels, wherein the solar panels are powered by solar energy which passes through the display panels. Variations of this disclosure include embodiments where cameras are hidden behind the display panels to display false images or video opposing display panels, embodiments where the display panels show prerecorded feed, or variations where a magnifying glass display panel amplifies the energy to the solar panels. In one preferred embodiment of the disclosure, the display panel may serve the dual function of acting as both monitor and magnifying glass thereby amplifying the solar energy absorbed in an environment that obscures said energy. A preferred embodiment of this disclosure comprises solar panels on the front face of the tiles of an led monitor, protruded by LED bulbs, said solar panels behind the display panel and send collected energy to a rechargeable battery.

Abstract: A display apparatus which comprises a liquid crystal panel and displays a predetermined image comprises: a reflective panel which is arranged opposite to the liquid crystal panel and reflects light emitted from the liquid crystal panel; and image capture devices which are located in the liquid crystal panel and capture an image on a display surface of the liquid crystal panel using light reflected by the reflective panel. An image display condition of the liquid crystal panel of the display apparatus is captured by the display apparatus itself.

Abstract: The present invention provides a method for manufacturing liquid crystal display module with photovoltaic cell, which includes: (1) providing a substrate and a liquid crystal display panel; (2) forming a transparent conductive layer on the substrate through sputtering; (3) forming a first matrix, which is arranged to stay away from a pixel aperture of the liquid crystal display panel and is located below the TFT arrays; (4) forming a photovoltaic layer on the transparent conductive layer through chemical vapor deposition; (5) forming a second matrix corresponding to the first matrix; (6) forming a metal layer on the photovoltaic layer through sputtering; (7) forming a third matrix corresponding to the second matrix so as to form a photovoltaic cell on the substrate; (8) applying sealant to the substrate around the photovoltaic cell; and (9) bonding the substrate and the liquid crystal display panel to each other and curing the sealant.

Abstract: Example embodiments relate to a solar cell configured to scatter incident light to be penetrated so as to increase a light progress path and includes a polymer-dispersed liquid crystal (PDLC) layer on at least one of a first and a second electrodes.

Abstract: A photo detector is disclosed. The photo detector includes a substrate, a first patterned semiconductor layer, a dielectric layer, a patterned conductive layer, an inter-layer dielectric, a second patterned semiconductor layer, two first electrodes disposed on the inter-layer dielectric and two second electrodes disposed on portions of the second semiconductor layer. The first patterned semiconductor layer having a first doping region and a second doping region is disposed on a transistor region. The dielectric layer is disposed to cover the substrate and the first semiconductor layer, the patterned conductive layer is disposed on the dielectric layer, and the inter-layer dielectric having at least two openings adapted to expose the first doping region and the second doping region is disposed to cover the dielectric layer. The second patterned semiconductor layer is disposed on a photosensitive region and the first electrodes are electrically connected to the first patterned semiconductor layer.

Abstract: A liquid crystal display apparatus having little influence of noise and able to improve an SN ratio of a light reception system without requiring a calibration operation when turning on the power, is provided. The apparatus has a plurality of display cells 21 having display circuits 210, light receiving cells 22 each including a light receiving element 221, a reference cell 23 having a configuration equivalent to the configuration of the light receiving cell and blocked from incidence of a light upon the light receiving element 221, and a received light signal processing circuit 6 performing differential signal processing of an output signal of the light receiving cell 22 and an output signal of the reference cell 23 and deleting noise.

Abstract: A liquid crystal display device and a method of fabricating a liquid crystal display device is provided. A liquid crystal display device includes a first substrate; a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a light sensor, formed on the first substrate, to sense a capacitance to output an electrical signal such that the capacitance varies with an intensity of light. A method of fabricating a liquid crystal display includes forming a thin film transistor, a pixel electrode electrically connected with the thin film transistor, and a light sensor on a first substrate; providing a second substrate on which a color filter and a black matrix are formed; and forming a liquid crystal layer between the first substrate and the second substrate.

Abstract: A liquid crystal display device includes an array substrate formed with a number of switching elements and photosensors, a countersubstrate arranged opposite to the array substrate with a gap between the array substrate and the countersubstrate, a liquid crystal layer sandwiched between the array substrate and the countersubstrate and formed from a liquid crystal material which is negative in dielectric anisotropy, and an alignment control structure set on at least one of the array substrate and countersubstrate to control the alignment state of liquid crystal molecules in the liquid crystal layer, wherein each of the photosensors being placed opposite to the alignment control structure.

Abstract: A display panel having a pixel region and a sensing region includes a first substrate, a second substrate and a display medium layer. A plurality of pixel structures and at least one photo-voltaic cell device are disposed on the first substrate. The pixel structures are arranged in the pixel region in array, and each of the pixel structures includes a thin film transistor and a pixel electrode electrically connected to the thin film transistor. The photo-voltaic cell device disposed in the sensing region includes a doped semiconductor layer, a transparent electrode layer, a first type doped silicon-rich dielectric layer and a second type doped silicon-rich dielectric layer. The first type doped silicon-rich dielectric layer and the second type doped silicon-rich dielectric layer are disposed between the doped semiconductor layer and the transparent electrode layer. The display medium layer is disposed between the first substrate and the second substrate.

Abstract: An optically intelligent image sensing device is provided. By applying different potentials across different electrode sections in the image sensing device, the electric field profiles of the corresponding liquid crystal layer sections bend the lights passing through the liquid crystal layer sections in a predetermined manner. In one embodiment, all of a certain color light entering the image sensing device can be bent towards a color filter for the specific color, thereby entering the light sensor for the specific color light. Accordingly, the optically intelligent image sensing device has improved optical efficiency. An arrangement for an array of different electrode and light sensing sections in the image sensing device is also provided as an example for how each electrode may be connected to the optically intelligent image sensing device control signals. An example using the present optically intelligent image sensing device to improve the optical efficiency of an image capturing device is also described.

Abstract: Provided is an optical sensor having such a novel structure that even if an intrinsic semiconductor region has a short substantial length in a direction parallel with a forward direction of a photodiode, a light receiving area can be ensured, whereby light detection sensitivity can be improved; and a liquid crystal panel including the optical sensor. The optical sensor includes: a photodiode (26) provided with a semiconductor film (28) having a p-type semiconductor region (28p), an intrinsic semiconductor region (28i), and an n-type semiconductor region (28n); a first gate line (38a) formed above the intrinsic semiconductor region (28i), a negative voltage being applied to the first gate line; and a second gate line (38b) formed above the intrinsic semiconductor region (28i), a positive voltage being applied to the second gate line, wherein a predetermined clearance is formed between the first gate line (38a) and the second gate line (38b), above the intrinsic semiconductor region (28i).

Abstract: An automatic darkening liquid crystal mirror for vehicles, the mirror having a transparent front substrate and a back substrate with a reflective or transflective mirrored coating. The front and back substrates are spaced apart to define a liquid crystal cell between the substrates that is filled with a liquid crystal fluid incorporating a dichroic dye. A conductive thin film is applied onto the interior surface of the front substrate, and the mirrored coating of the back substrate also is conductive. An alignment compound is deposited on opposite sides of and bounding the liquid crystal cell. An electronic control circuit is adapted to apply selectively a voltage signal to the conductive think film and the conductive mirrored coating to affect the transmittance of the liquid crystal fluid, and thereby the darkness of the mirror, in response to light intensity sensed by a headlight sensor coupled to the electronic control circuit.

Abstract: A flat display device integrated with a photovoltaic cell is disclosed. The flat display device includes a first substrate, a second substrate, a display medium layer, a first photovoltaic cell, a connecting layer and a conductive structure. The display medium layer is sealed between the first and second substrates. The first photovoltaic cell is disposed on the first substrate. The connecting layer is disposed on the second substrate and is capable of electrically connecting the first photovoltaic cell to an external circuit. The conductive structure is disposed between the first and second substrates, and is electrically connected with the first photovoltaic cell and the connecting layer.

Abstract: A liquid crystal display device 1 having a liquid crystal display panel and an illuminating means controlled according to the output of the light sensing component. The light sensing component is deployed at the periphery of the TFT substrate's display area DA and uses a thin film transistor as photosensor. A capacitor C is connected between source and drain electrodes SL, DL for such TFT photosensor. One of the capacitor's terminals is connected to a standard voltage source VS via a switch element SW, and the other to the common electrode 26. Voltage that is always lower than the voltage applied to the common electrode by an amount corresponding to a reverse bias voltage is applied to the gate electrode GL for the TFT photosensor. The capacitor's voltage a certain time after the switch element turns off is output.

Abstract: A process for forming a protective layer at a surface of an aluminum bond pad. The aluminum bond pad is exposed to a solution containing silicon, ammonium persulfate and tetramethylammonium hydroxide, which results in the formation of the protective layer. This protective layer protects the bond pad surface from corrosion during processing of an imager, such as during formation of a color filter array or a micro-lens array.

Abstract: A manufacturing apparatus for liquid crystal (LC) panels, including a temperature control device, an LC status monitor, a backlight source and an ultraviolet set. The temperature control device, on which an LC panel is placed, provides temperature control and is perforated to pass light therethrough. The LC status monitor is operative to observe the LC panel while the light is emitted from the backlight source and transmitted through the LC panel and the temperature control device as back-lights of the LC panel. The ultraviolet set is operative to expose the LC panel to ultraviolet light. The relative position between the temperature control device and the backlight source is adjustable, to switch the operating state of the apparatus. In the first operating state, the LC panel can be observed by the LC status monitor. In the second operating state, the LC panel can be exposed to ultraviolet light.

Abstract: An optically intelligent image sensing device is provided. By applying different potentials across different electrode sections in the image sensing device, the electric field profiles of the corresponding liquid crystal layer sections bend the lights passing through the liquid crystal layer sections in a predetermined manner. In one embodiment, all of a certain color light entering the image sensing device can be bent towards a color filter for the specific color, thereby entering the light sensor for the specific color light. Accordingly, the optically intelligent image sensing device has improved optical efficiency. An arrangement for an array of different electrode and light sensing sections in the image sensing device is also provided as an example for how each electrode may be connected to the optically intelligent image sensing device control signals. An example using the present optically intelligent image sensing device to improve the optical efficiency of an image capturing device is also described.

Abstract: A display system and a device having the display system are provided. The display system includes: a pixel area on which a pixel is formed; a substrate having a top side and a back side opposite to the top side, and a plurality of edges between the top side and the back side, the substrate being a main substrate on which the pixel area being formed or a sealing substrate; and a solar cell area having at least one solar cell integrated on a peripheral of the pixel area, the edge of the substrate or a combination thereof. The display system includes: a pixel area on a display substrate, including: a transparent electrode; and an emissive device for emitting a light, the transparent electrode and the emissive device being aligned in series on the display substrate, a solar cell placed behind the transparent electrode, for making the transparent electrode non-reflective to the emissive device.

Abstract: A liquid crystal display includes a terminal substrate, an opposed substrate, a seal member and a protective wall. The terminal substrate includes: a display area which displays an image, a terminal which inputs an external signal to a wiring in the display area, and a connection conductor which electrically connects the wiring in the display area and the terminal. The opposed substrate includes a conductive film on a surface thereof. The seal member surrounds the display area and through which the terminal substrate and opposed substrate are attached with each other while being opposed with each other. The protective wall surrounds a proximity portion of the connection conductor and the conductive film outside of an area surrounded by the seal member, together with the seal member to isolate and protect the proximity portion from an outside.

Abstract: Embodiments of the present invention describe a photovoltaic cell integrated into a display device. The photovoltaic cell is designed with an absorption spectrum that does not include a range of wavelengths corresponding to a particular color of visible light. Besides having the capability to harvest light, the photovoltaic cell can also function as a color filter and a photodetector.

Abstract: A PCLC flake/fluid host suspension that enables dual-frequency, reverse drive reorientation and relaxation of the PCLC flakes is composed of a fluid host that is a mixture of: 94 to 99.5 wt % of a non-aqueous fluid medium having a dielectric constant value ?, where 1<?<7, a conductivity value ?, where 10?9>?>10?7 Siemens per meter (S/m), and a resistivity r, where 107>r>1010 ohm-meters (?-m), and which is optically transparent in a selected wavelength range ??; 0.0025 to 0.25 wt % of an inorganic chloride salt; 0.0475 to 4.75 wt % water; and 0.25 to 2 wt % of an anionic surfactant; and 1 to 5 wt % of PCLC flakes suspended in the fluid host mixture. Various encapsulation forms and methods are disclosed including a Basic test cell, a Microwell, a Microcube, Direct encapsulation (I), Direct encapsulation (II), and Coacervation encapsulation. Applications to display devices are disclosed.

Abstract: Disclosed herein is a display device having an insulating substrate, an effective pixel area formed on the insulating substrate and having at least pixels arranged in the form of a matrix, and a peripheral circuit formed on the insulating substrate so as to surround the effective pixel area, the pixels being driven by the peripheral circuit to display a desired image in the effective pixel area, the display device including an extraneous light sensor provided in the effective pixel area for detecting extraneous light to output an extraneous light quantity detection result for use in controlling the luminance of the image.

Abstract: Disclosed herein is a liquid crystal display including a liquid crystal panel including, a first substrate, a second substrate opposed to said first substrate, and a liquid crystal layer interposed between said first substrate and said second substrate, a plurality of pixels being arrayed in a first direction and in a second direction orthogonal to said first direction in a pixel area provided in a plane where said first substrate and said second substrate are opposed.

Abstract: The invention provides a liquid crystal display panel, a liquid crystal display apparatus and a method for manufacturing the liquid crystal display panel. The liquid crystal display panel includes a first substrate and a second substrate which are opposite to each other and a liquid crystal layer between the two substrates. On one side of the first substrate which is opposite to the second substrate, there is a solar battery unit and a Thin Film Transistor; and the solar battery unit includes a first electrode layer, a photoelectric conversion layer and a second electrode layer which are sequentially disposed in stack. In the invention, the solar battery is configured between the two substrates, and therefore the size of the panel is not increased and the structure is simple.

Abstract: The present invention provides a liquid crystal display integrated with a solar cell module, which includes a first transparent substrate, a second transparent substrate, a cholesteric liquid crystal layer, a third transparent substrate, and a photoelectric conversion layer. The second transparent substrate is disposed on a side of the first transparent substrate, and the cholesteric liquid crystal layer is disposed between the first transparent substrate and the second transparent substrate. The third transparent substrate is disposed on the other side of the first transparent substrate opposite to the second transparent substrate, and the photoelectric conversion layer is adhered between the first transparent substrate and the third transparent substrate. The first transparent substrate, the photoelectric conversion layer and the third transparent substrate constitute the solar cell module.

Abstract: A display apparatus includes: at least one pixel section including a display cell that has a pixel electrode and a light-receiving cell that has a light-receiving element; and a shielding electric conductor configured to electrically shield the pixel electrode on the side of the display cell from the light-receiving element. The shielding electric conductor is formed between the pixel electrode and the light-receiving element and has a fixed potential.

Abstract: The present invention provides a liquid crystal display device capable of preventing the occurrence of dark currents in photodiodes. Thus, the liquid crystal display device includes a liquid crystal display panel 1 including an active matrix substrate and a backlight 13 for illuminating the liquid crystal display panel. The active matrix substrate 1 includes a photodiode 7 formed by a silicon film and a light shielding film 8 for shielding the photodiode 7 against illumination light from the backlight 13. The photodiode 7 and the light shielding film 8 are provided on a base substrate 5. The light shielding film 8 is formed by a semiconductor or an insulator. Preferably, the photodiode 7 is made of, for example, polycrystalline silicon or continuous grain silicon so as to have a characteristic that its sensitivity increases as the wavelength of light entering the photodiode becomes shorter.

Abstract: A sensor array substrate includes: a substrate; a protective substrate disposed on a first surface of the substrate; a plurality of light sensor units disposed on a second surface of the substrate, where the plurality of light sensor units detects reflection light reflected from a surface of the protective substrate; and a reflection light blocking pattern disposed between the light sensor units and the protective substrate, where the reflection light blocking pattern blocks a portion of the reflection light, and where a plurality of openings corresponding to the plurality of light sensor units is formed in the reflection light blocking pattern.

Abstract: Disclosed herein is a liquid crystal display apparatus, including: a liquid crystal panel having a pixel region in which first and second electrodes apply an electric field to a liquid crystal layer to display an image; the liquid crystal panel including a photo-sensor element having a light receiving face at which the photo-sensor element receives incident light through the liquid crystal layer in the pixel region to produce received light data; at least one of the first and second electrodes being formed in a region of the pixel region other than a light receiving face corresponding region of the pixel region which corresponds to the light receiving face of the photo-sensor element.

Abstract: The disclosure describes a liquid crystal display device with a sensing function and a method of fabricating the same. The device comprising gate and data lines crossing each other on a substrate, so as to define a pixel region including a pixel electrode; a first switching thin film transistor disposed at a crossing of the gate and data lines; a sensing thin film transistor, disposed at a predetermined portion of the pixel region, that senses external light; a sensing storage capacitor that stores a signal sensed by the sensing thin film transistor; and a second switching thin film transistor that receives the sensing signal stored and reads information that is externally inputted, wherein the sensing storage capacitor and the second switching thin film transistor are provided with a reflective region including a reflective electrode.

Abstract: A display device and its fabrication method are disclosed. According to one aspect, the method for fabricating a display device includes forming a first element unit including a first reflector layer, a light emitting part and a common electrode on a lower substrate, and forming a second element unit including a floating electrode, a photocurrent layer and a signal electrode on the first element unit. A third element unit is formed on the lower substrate. The third element unit includes a second reflector layer connected with the floating electrode and also a second light emitting part and a second floating electrode disposed on the second reflector layer.

Abstract: A liquid crystal display and a simple method to fabricate the same are provided, which can accurately measure luminance of an external light. The liquid crystal display includes a substrate; a thin film transistor array formed on the substrate; and a photoelectric conversion element having a reflection pattern formed on at least one side of the substrate, a photoelectric conversion region provided with a first semiconductor region formed on an upper part of the reflection pattern to receive an external light reflected by the reflection pattern, and a dummy pattern formed on an upper part of the photoelectric conversion region with a width corresponding to the first semiconductor region. The photoelectric conversion region may be configured to adjust the quantity of light incident to the thin film transistor array.

Abstract: Disclosed is a liquid crystal display device including a first substrate where pixel areas are defined, a second substrate facing the first substrate, liquid crystals aligned between the first and second substrates, and spacers that maintain a gap between the first and second substrates. The pixel areas are divided into a plurality of domains along the alignment direction of the liquid crystals by way of domain dividers. Optical characteristics are compensated in different domains, so that the viewing angle of the liquid crystal display device is increased. The display quality of the liquid crystal display device is improved by adjusting the shape and position of the domain dividers and the spacers.

Abstract: A display system according to the present invention includes: a dimming device capable of switchably presenting a light reflecting state or a light transmitting state; and a display device for displaying information by modulating light transmitted through the dimming device and/or light reflected by the dimming device. The dimming device has a plurality of regions each being independently capable of switchably presenting a light reflecting state or a light transmitting state, and, when a plurality of types of information are being displayed on the display device, the dimming device is capable of selectively switching between the light reflecting state or the light transmitting state of each of the plurality of regions in accordance with the types of information being displayed.

Abstract: An organic light emitting display includes an organic light emitting diode formed on a substrate, coupled to a transistor; a photodiode formed on the substrate and including a semiconductor layer including a high-concentration P doping region, an intrinsic region with defects and a high-concentration N doping region; and a controller that uniformly controls the luminance of light emitted from the organic light emitting diode by controlling a voltage applied to the first electrode and the second electrode according to the voltage outputted from the photodiode.

Abstract: A liquid crystal display includes: a display with an array substrate having scanning and data lines and an IC chip driving liquid crystal, and a color filter substrate; a light-detector having an optical sensor integrated in the display detecting external light; a detection circuit connected via sensor laid-around lines connecting to light-detector lines; an illuminator illuminating the display panel; and a controller controlling the illuminator based on the detection circuit's output. The data lines are distributed to the chip-mounting area and have terminals at an end for connecting to IC chip bump terminals. Leader lines distribute from the terminals toward the chip-mounting area and have inspection terminals at their ends. Sensor inspection lines connect at one end to the sensor laid-around lines and extend at the other end to the chip-mounting area. Sensor detection terminals are formed at the other end of the sensor inspection lines.

Abstract: A liquid crystal display apparatus containing an image sensor, which comprises a liquid crystal display part comprising an active matrix circuit, a peripheral driver circuit for driving the active matrix circuit, and a sensor part, integrated on one substrate, wherein the sensor part is sealed and protected with a sealing part and a counter substrate.

Abstract: A method and combined video display and camera system are disclosed. In one embodiment, the system comprises a first sheet and a second sheet oriented parallel to the first sheet, the second sheet including a light diffuser. A light source is placed along an edge of the second sheet, wherein the second sheet diffuses light generated by the light source. One or more cameras are placed behind the second sheet to capture an image through the second sheet and the first sheet.

Abstract: Provided is a display device equipped with a display panel having an optical sensor built in a pixel. The display device is equipped with the display panel having a photo sensor element (107) as the optical sensor in a pixel. The pixel includes: a first layer having the photo sensor element (107); a second layer having a first shield electrode (108); and a third layer having a pixel electrode (106). The second layer is formed between the first layer and the third layer. The first shield electrode (108) covers the photo sensor element (107) and is insulated from the pixel electrode (106). This configuration can reduce the effects of the electrical noise on the optical sensor and prevents lowering of the sensibility of the optical sensor. The present invention can be applied to a liquid crystal display panel having a built-in optical sensor touch panel and a liquid crystal display panel having a built-in optical sensor scanner function.

Abstract: A novel photovoltaic device including a polymer dispersed liquid crystal (PDLC) material that is capable of converting solar energy to electrical energy and method for making. The device may optionally include a conductive container for holding the PDLC material. In an exemplary embodiment, the invention is directed to a self assembled PDLC material, a holographically synthesized PDLC material or a block co-polymer dispersed liquid crystal material. It is envisioned that the invention may be used a power source for any device, system or application. In particular, the invention may be used for any application involving the conversion of solar energy to electrical energy.

Abstract: A liquid crystal display panel is disclosed. The liquid crystal display panel includes: a first substrate with a conductive layer formed on one surface thereof; a color filter layer including a plurality of color filters formed on the conductive layer; a conductive light shielding layer formed between the plurality of color filters; a second substrate with a pixel array formed on one surface thereof; and a liquid crystal layer filled between the conductive light shielding layer and the pixel array, wherein the conductive layer is electrically short-circuited with the pixel array. Since a voltage is applied to the conductive layer formed on the front surface of the first substrate, liquid crystal molecules of the liquid crystal layer between the conductive layer and the pixel array can be prevented from being vertically aligned, thus improving liquid crystal efficiency.

Abstract: A display device includes a photosensor in a pixel region of an active matrix substrate. The photosensor includes a photodiode (D1) that receives incident light, a photodiode (D2) as a reference element connected in series to the photodiode (D1) and having a light shielding layer that blocks incident light, a capacitor (CINT), one electrode of which is connected to a connection point between the photodiodes (D1, D2), that accumulates output current from the photodiodes (D1, D2), reset signal wiring (RST) that supplies a reset signal to the photosensor, readout signal wiring (RWS) that supplies a readout signal to the photosensor, and a thin film transistor (M2) having a control electrode connected to a connection point between the photodiodes (D1, D2).

Abstract: A display device and its fabrication method are disclosed. According to one aspect, the method for fabricating a display device includes forming a first element unit including a first reflector layer, a light emitting part and a common electrode on a lower substrate, and forming a second element unit including a floating electrode, a photocurrent layer and a signal electrode on the first element unit. A third element unit is formed on the lower substrate. The third element unit includes a second reflector layer connected with the floating electrode and also a second light emitting part and a second floating electrode disposed on the second reflector layer.

Abstract: An optical sensor for detecting peripheral light including: at least two first transistors coupled in parallel between an output line and base power supply for detecting an intensity of peripheral light; and at least two second transistors positioned at a side of the first transistors and between the first transistors and a voltage source.