Abstract: An active matrix structure including a substrate, a plurality of active devices, and a plurality of pixel electrodes is provided. The active devices are disposed on the substrate. The pixel electrodes are respectively electrically connected to the active devices and arranged in an array. The active matrix structure has a display area, and each of the pixel electrodes has at least one slanted side inclined with respect to all sides of the display area. A liquid crystal display panel is also provided.

Abstract: A display module is provided. A light source is configured to provide an illumination beam. A light guide plate has a first surface, a second surface opposite to the first surface, and an incident surface connecting the first surface and the second surface. The illumination beam enters the light guide plate through the incident surface. An optical structure is connected to the light guide plate and configured to change a propagation direction of the illumination beam. A reflective display unit is capable of modulating a polarization state of the illumination beam to form a modulated beam. The second surface is disposed between the reflective display unit and the first surface. The first surface is disposed between the second surface and a reflective polarizer, and the reflective polarizer filters the modulated beam into an image beam.

Abstract: A light source control method of a projector is provided. The light source control method includes the following steps. A frame data of a frame period is received. Gray distributions of a plurality of colors in the frame data are obtained by analyzing the frame data. Whether to shut all or a portion of a plurality of color light sources of the projector is determined according to the gray distributions of the colors. Therefore, the power consumption of the projector can be reduced.

Abstract: A projection apparatus including an image panel, a projection lens, and a control unit is provided. The image panel is configured to provide an image beam and has a displaying area. The projection lens is configured to project the image beam to form an image. When the optical axis of the projection lens is tilted with respect to a normal of the image, the control unit commands a first portion of the displaying area to show a compressed frame corresponding to the image and commands a second portion of the displaying area to show a black border. A projection method is also provided.

Abstract: A display, a pixel circuitry and an operating method of the pixel circuitry are provided. The display includes a source driver and a pixel circuitry. The source driver converts a first pixel data to a first polarity data voltage and a second polarity data voltage during a first frame period and converts a second pixel data to a third polarity data voltage and a fourth polarity data voltage during a second frame period. The pixel circuitry is coupled to the source driver. The pixel circuitry stores the first polarity data voltage and the second polarity data voltage during the first frame period, displays the first polarity data voltage and the second polarity data voltage during a first sub-period and a second sub-period of the second frame period respectively, and stores the third polarity data voltage and the fourth polarity data voltage during the second frame period.

Abstract: An active matrix including a substrate, a plurality of active devices, a plurality of pixel electrodes, a bottom reflective layer, and a plurality of conductive elements is provided. The active devices are arranged on the substrate in an array. The pixel electrodes are respectively disposed above the active devices. The bottom reflective layer is disposed between the substrate and the pixel electrodes. The conductive elements penetrate through the bottom reflective layer and respectively connect the pixel electrodes and the active devices. A display panel is also provided.

Abstract: A projection system including an illumination unit, a polarization conversion unit, a light valve, a projection lens, and a polarizing beam split (PBS) element is provided. The polarization conversion unit includes a V-shaped PBS element, a wave plate, and two reflective surfaces. The V-shaped PBS element includes a first PBS portion and a second PBS portion. The first PBS portion is adapted to be passed through by a first partial beam with a first polarization direction and reflect a second partial beam with a second polarization direction. The second PBS portion is adapted to be passed through by a third partial beam with the first polarization direction and reflect a fourth partial beam with the second polarization direction. The wave plate is disposed in the transmission paths of the first partial beam and the third partial beam. The reflective surfaces are located at opposite sides of the V-shaped PBS element.

Abstract: A display and a real-time automatic white balance method thereof are provided. The display includes a first color light source and a second color light source. The real-time automatic white balance method includes following steps. A first target luminance of the first color light source and a second target luminance of the second color light source are provided. A luminance of the first color light source is detected to obtain a first current luminance. A second current luminance of the second color light source is calculated according to a ratio of the first target luminance to the first current luminance and the second target luminance. A luminance of the second color light source is adjusted according to the second current luminance.

Abstract: A light detecting method is provided. The light detecting method includes following steps. A light beam is sensed to generate a photocurrent. A predetermined current is subtracted from the photocurrent. The photocurrent is converted to a voltage.

Abstract: A pixel circuitry of a display device is provided to make a voltage level transmitted to a display element be close to a voltage level of a received data voltage, such that the pixel circuitry faithfully transmits the data voltage to the display element. The pixel circuitry of a display device includes a first write switch, a first write memory unit, a first voltage following module, and a display element. The first voltage following module is to detect a first data voltage stored in the first write memory unit, and to generate a corresponding first output voltage at a terminal of the display element based on a detection result. A first output terminal of the first voltage following module is controlled by a switching voltage.

Abstract: A light detecting circuit and a light detecting method thereof are provided. The light detecting circuit includes a first resistor, a light sensor, a current source, and a first current mirror. The light sensor generates a corresponding photocurrent according to the illumination while being illuminated by the high brightness light beam. By dividing the photocurrent corresponding to the low brightness light beam from the photocurrent through the current source, the light detecting circuit can mainly detects the high brightness light beam, so that the detecting accuracy can be enhanced. Accordingly, when being applied to detect the high brightness light beam, the light detecting circuit can provide a sensing voltage in a wide enough range and a large enough sense scale, so that the sensing voltage is easy to be distinguished by the rear stage.

Abstract: A pixel circuitry for a display apparatus is provided herein. The pixel circuitry includes a first storage element, and a switching element composed of a plurality of switches. The first storage element has a first terminal receiving a pixel signal and a second terminal coupled to a first voltage. The first storage element is used for storing the pixel signal. The switching element includes a first switch and a second switch respectively conducted in response to a first signal and a second signal. Each of the first switch and the second switch has an input terminal coupled to a data line and an output terminal coupled to the first storage element. The cooperation of the first switch and the second switch has benefit of delivering the pixel signal without influence of body effect.

Abstract: A light-emitting diode (LED) package including a substrate, an LED chip, a polarizer, and a supporter is provided. The LED chip is disposed on the substrate. The polarizer is disposed above the LED chip. The supporter is disposed on the substrate for supporting the polarizer.

Abstract: A display device including an active device array substrate having an active surface, an opposite substrate, a first alignment unit, a second alignment unit, a liquid crystal layer and a sealant is provided. The opposite substrate disposed above the active device array substrate has a light transmissive surface, wherein the active surface and the light transmissive surface face each other. The first alignment unit is disposed on the active device array substrate and located on the active surface. The second alignment unit is disposed on the opposite substrate and located on the light transmissive surface, wherein the first alignment unit aligns with the second alignment unit. The liquid crystal layer is disposed between the first and the second alignment units. The sealant directly connects the active surface and the light transmissive surface, and surrounds peripherals of the liquid crystal layer, the first alignment unit, and the second alignment unit.

Abstract: A test method of a liquid crystal display panel is provided. The liquid crystal display panel includes a plurality of pixels and a testing pad. The pixels are disposed at intersections between a first, a second, and a third data lines and a plurality of scan lines. In the test method, each of the scan lines is driven to connect liquid crystal capacitors of the pixels to the first, the second, and the third data lines. A first and a second test voltages are respectively supplied to the first and the second data lines, wherein the first test voltage is not equal to the second test voltage. The first data line is floated. The floated first data line is measured through the testing pad to determine whether the liquid crystal capacitors of the pixels electrically connected to the first and the second data lines are electrically connected with each other.

Abstract: A color filter including a substrate, a plurality of first single-layer filter units and a plurality of first multilayer filter units is provided. The substrate has a plurality of first regions and a plurality of second regions. The first single-layer filter units is disposed on the substrate and located in the first regions respectively. The first multilayer filter units is disposed on the substrate and located in the second regions respectively. A manufacturing method for a color filter is also provided.

Abstract: A projection apparatus including an image panel, a projection lens, and a control unit is provided. The image panel is configured to provide an image beam and has a displaying area. The projection lens is configured to project the image beam to form an image. When the optical axis of the projection lens is tilted with respect to a normal of the image, the control unit commands a first portion of the displaying area to show a compressed frame corresponding to the image and commands a second portion of the displaying area to show a black border. A projection method is also provided.

Abstract: A method for controlling synchronization of a 3D shutter glasses adapted to a system for controlling synchronization of the 3D shutter glasses is provided. The method includes the following steps. A plurality of synchronous images of a 3D image projected on a screen are sensed by an image sensor of the shutter glasses. The 3D image includes a plurality of left images and right images and the synchronous images. The left images and the right images are respectively synchronized with a left-eye liquid crystal shutter and a right-eye liquid crystal shutter of the 3D shutter glasses based on the sensing result when the left-eye liquid crystal shutter and the right-eye liquid crystal shutter are respectively turned on. Furthermore, a system for controlling synchronization of the 3D shutter glasses using this method is also provided.

Abstract: A projection apparatus including an illumination unit, a brightness detection circuit, a signal conversion circuit, and a control unit is provided. The illumination unit generates a light source according to a plurality of driving signals and provides a temperature sensing signal according to the temperature of the light source. The brightness detection circuit generates a plurality of brightness sensing signals. The signal conversion circuit converts the temperature sensing signal and the brightness sensing signals into temperature information and a plurality of brightness information. The control unit comprises a setting table for storing a predetermined temperature information and a plurality of predetermined brightness information, and the control unit adjusts the driving signals in order to identify the converted temperature information and the converted brightness information conform to the stored information in the setting table.

Abstract: A current-type driver of light emitting devices is provided. The current-type driver includes a power conversion circuit, a feedback module, and a control module. The power conversion circuit modulates and generates an output voltage according to a feedback signal so as to sequentially drive a plurality of light emitting devices. The feedback module generates the feedback signal for the power conversion circuit according to the output voltage and an adjusting signal during a first period, wherein none of the light emitting devices is driven during the first period. The control module outputs the adjusting signal to the feedback module during the first period so as to allow the power conversion circuit to adjust the output voltage to a pre-drive voltage corresponding to the light emitting device which is to be driven next among the light emitting devices.