Abstract: An exemplary injection mold includes a stationary mold, a movable mold, and an ejection device. The stationary mold includes a stationary core received therein. The stationary core includes a stationary molding surface. The movable mold includes a movable core corresponding to the stationary core. The movable core includes a movable molding surface and defines an injection channel. When the injection mold is closed, the stationary molding surface and the movable molding surface cooperatively define a molding cavity of a configuration corresponding to that of an article to be molded, with the injection channel communicates with the molding cavity. The ejection device includes a knockout pin passing through the movable mold and terminating at the molding cavity. The knockout pin includes a trimming edge having a sharp tip protruding into a top end of the injection channel.

Abstract: An exemplary liquid crystal display (LCD) (20) includes: a gate driving integrated circuit (IC) (22) for scanning an LCD panel (24) of the LCD; a data driving IC (23) for providing a plurality of gradation voltages to the LCD panel; a primary control circuit board (21) configured for providing the operation voltage to the data driving IC; and a flexible printed circuit board (25) connected between the LCD panel and the primary control circuit board. The data driving IC includes a voltage detecting circuit (230), which detects an operation voltage applied to the gate driving IC and is configured to provide an all-scanning signal to the gate driving IC.

Abstract: An exemplary liquid crystal display device (100) includes a first frame (11), a liquid crystal panel (12), a backlight unit (13) for providing uniform light for the liquid crystal panel, and a second frame (14) cooperating with the first frame to define a space receiving the liquid crystal panel and the backlight unit. The backlight unit includes a reflector (17) and a lamp (16) received in the reflector. The reflector includes a hook (175). The second frame includes a through hole (145). The hook engages in the through hole, thereby facilitating the fixing of the reflector to the second frame.

Abstract: An exemplary liquid crystal display device (1) includes a first substrate assembly (14), a second substrate assembly (16) parallel to the first substrate assembly, a liquid crystal layer (18) sandwiched therebetween, and a backlight module (12) adjacent to the first substrate assembly. The first substrate assembly includes a first substrate, a plurality of pixel electrode (145) and a color filter (148). The first substrate includes a plurality of pixel regions. Each pixel region includes a reflection region and a transmission region. The reflection region includes a thin film transistor (TFT) (146) and a reflective layer (147) covering the TFT. The pixel electrodes cover the transmission regions and the reflection regions.

Abstract: An exemplary liquid crystal display (LCD) (200) includes an LCD panel (210) including a first glass substrate (212) and a second glass substrate (214) parallel to the first glass substrate; a backlight module (220) includes a frame (222) accommodating the LCD panel; and a fixing member (240) attached to the frame of the backlight module and resiliently holding an end portion of the LCD panel in position in the frame.

Abstract: An exemplary liquid crystal display device (1) includes a first substrate (3), a second substrate (2) facing the first substrate, and a liquid crystal layer (4) sandwiched between the first substrate and the second substrate. The first substrate includes a plurality of scan lines (11); a plurality of first and second parallel data lines (12, 22) orthogonal to the scan lines; a plurality of first and second thin film transistors (14, 24), positioned near a crossing of a corresponding scan line and a corresponding first data line, respectively; a plurality of first and second pixel electrodes (15, 25) electrically coupled to the first and second thin film transistors, respectively; a plurality of first and second static display units (19, 29) for providing voltage to the first and second pixel electrodes in a static display mode.

Abstract: An exemplary light emitting diode includes a main body, a red light emitting chip, a green light emitting chip, and a blue light emitting chip. The main body includes two inner side surfaces opposite to each other and a inner bottom surface connected with the side surfaces. The side surfaces and the bottom surface cooperatively define an accommodating space. The red light emitting chip, the green light emitting chip and the blue light emitting chip are positioned at the bottom surface and the side surfaces of the accommodating space, respectively.

Abstract: An exemplary liquid crystal display (LCD) (20) includes an LCD panel (24), a timing control circuit (21), a plurality of gate drivers (23) connected to the LCD panel, and a plurality of data drivers (22) connected to the LCD panel. The timing control circuit includes a plurality of reduced swing differential signaling (RSDS) output terminals. Each data driver is electrically connected to a respective RSDS output terminal of the timing control circuit via an independent conducting line.

Abstract: An exemplary liquid crystal display (200) has a liquid crystal panel (240); a gate driving circuit (230) configured for scanning the liquid crystal panel; a data driving circuit (220) configured for providing a plurality of gradation voltages to the liquid crystal panel; a photo sensor (241) configured for measuring a luminance of ambient light and generating a corresponding optical signal; a luminance control circuit (231) for receiving the optical signal from the photo sensor and transferring the optical signal to a measurement signal; a timing control circuit (210) configured for controlling the gate driving circuit and the data driving circuit; and a backlight circuit (270) for driving a light source to emit light beams for illuminating the liquid crystal panel, according to the measurement signal from the luminance control circuit.

Abstract: An exemplary backlight module includes a light guide plate, and a light source positioned for illuminating the light guide plate. The light source includes a plurality of LED units, and each LED unit includes a red LED, two green LEDs, and a blue LED. Each red, green, and blue LED has a center. In each LED unit, the centers of the red LED and the blue LED are at two opposite sides respectively of an imaginary line defined between the centers of the green LEDs.

Abstract: An exemplary fixing system includes a plate portion and four fastening units latched on the plate portion. The plate portion defines four fixing holes having a polygonal shape. Each fastening unit includes a fixing portion having a base and a deformable portion, and an engaging portion. At least a part of the base has a polygonal shape matching the shape of the fixing hole. A slot is defined in the deformable portion or the deformable portion in cooperation with the base. A side edge of the plate portion which bounds the fixing hole is latchingly received in the slot. The deformable portion is deformable to allow said at least a part of the base to pass through the fixing hole in assembly of the fixing system until the deformable portion rebounds and the side edge of the plate portion is latched in the slot.

Abstract: An exemplary support stand includes a base, a connecting assembly, a support bracket, two first hinge assemblies, and two second hinge assemblies. The connecting assembly is arranged between the base and the support bracket. The first hinge assemblies rotatably connect the connecting assembly to the base. The second hinge assemblies rotatably connect the connecting assembly to the support bracket. The connecting assembly comprises a connecting bracket and a connecting plate partially received in the connecting bracket. The connecting plate, the connecting bracket, one first hinge assembly, and one second hinge assembly form a quadrangle.

Abstract: A liquid crystal display (200) includes a transparent substrate (25), a light guide plate (28) disposed under the substrate, and a light source (29) disposed above the light guide plate at a thin side of the substrate. The light guide plate includes a top surface (280). An area of the top surface corresponding to the light source defines a light incident area, and another area of the top surface corresponding to the substrate defines a light emitting area.

Abstract: An exemplary liquid crystal display (200) includes a liquid crystal (LC) panel (210), a gate driving circuit (220) for scanning the liquid crystal panel, a data driving circuit (230) for providing a plurality of gradation voltages to the liquid crystal panel, an photo sensor (250) configured for measuring a frequency and a luminance of ambient light and generating a measurement signal, a timing control circuit (240) configured for controlling the gate driving circuit and the data driving circuit, and a backlight module driving circuit (270) for driving a light source (260) to emit light beams for illuminating the liquid crystal panel. One of the timing control circuit and the backlight module driving circuit is configured for receiving the measurement signal and adjusting a refresh rate and a luminance of the LC panel according to the frequency and the luminance of the ambient light.

Abstract: An exemplary backlight module includes a frame including a light-emitting opening, light tubes accommodated in the frame and disposed corresponding to the light-emitting opening, and covers. Each light tube includes a bent portion, and the covers are fitted on the corresponding bent portions of the light tubes. A liquid crystal display device using the backlight module is also provided.

Abstract: An exemplary backlight control circuit (20) includes at least two sampling circuits (21), at least two feedback circuits (22), and a PWM IC (23). Each of the sampling circuits includes a sampling output (210) and a backlight lamp (211). The PWM IC includes a current sense pin (230). The at least two feedback circuits correspond to the at least two sampling circuits, respectively. Each of the feedback circuits includes a resistor (222) and a diode (223) electrically coupled in parallel. The sampling output is configured to output a first voltage when the backlight lamp is in a normal working state, and output a second voltage when the backlight lamp has an open circuit. One terminal of the diode is electrically coupled to the sampling output of a corresponding one of the sampling circuits, and an opposite terminal of the diode is electrically coupled to the current sense pin.

Abstract: A liquid crystal display includes a liquid crystal panel switchable between normal mode for displaying images and standby mode, a control circuit coupled to the liquid crystal panel controlling the liquid crystal panel mode according to video signals transmitted thereto, and a power board providing a power voltage to the control circuit. When the liquid crystal panel is in a standby mode, the control circuit outputs a corresponding feedback signal to interrupt power voltage supply from the power board to the control circuit.

Abstract: A flat panel display device includes an image processing circuit, a power supply, and a gamma voltage generator. The image processing circuit receives grayscale data, identifies a range in which a gray level of the grayscale data is located, and generates a reference signal based on the range. The power supply supplies a drive voltage based on the reference signal. The gamma voltage generator generates a set of gamma voltages based on the drive voltage.

Abstract: A backlight module includes a light guide plate having a light input surface, a light source adjacent to the light input surface of the light guide plate, and a frame unit receiving the light guide plate and the light source. The frame unit includes a back plate and a light reflective layer. The back plate defines a plurality of openings, and the light reflective layer covers the back plate and fills the openings. A method for manufacturing the backlight module is also provided.