Abstract: An exemplary a display apparatus (2) includes a display panel (21) and a height adjusting device (25). The height adjusting device includes a base (26), a supporting member (27), a locking unit (30), and an elastic member (28). The display panel is fixed to the locking unit. The supporting member is fixed on the base. The supporting member includes two generally vertical friction grooves (2723, 2725). A depth of one of the friction grooves decreases with increasing height above the base, and a depth of the other friction groove increases with increasing height above the base. The locking unit is accommodated in the supporting member. The locking unit includes two sliders (33, 35) corresponding to the two friction grooves of the supporting member respectively. One of the sliders abuts a corresponding one of the friction grooves. The elastic member spans between the locking unit and the base.

Abstract: An exemplary sealing structure of a liquid crystal panel (2) is provided. The liquid crystal panel includes a pair of substrates (21, 22) and a liquid crystal layer (23) between the substrates. The scaling structure includes: a multi-layer structure (25) having a first layer (222) formed above one of the substrates and a second layer (223) formed above the first layer; an opening structure (226) having a first opening (226a) in the first layer and a second opening (226b) in the second layer and formed at the multi-layer structure. The first opening and the second opening are aligned with each other, the first opening is larger than the second opening, and a sealant (23) is sandwiched between the substrates, including in the opening structure. The adherence of the two substrates is improved.

Abstract: An exemplary power supply circuit includes a transformer (21) having a primary coil (211) and a secondary coil (212); a rectification circuit and a transistor (26) respectively coupled to two terminals of the primary coil; a communicating and filter circuit (22) coupled to the secondary coil; a sampling circuit (13) having a first resistor (231) and a first capacitor (232) connected in series; and a pulse width modulation circuit (25) coupled between the transistor and the sampling circuit. Direct current (AC) voltage is applied to the rectification circuit and is converted into DC voltage via the transformer and the communicating and filter circuit. The DC voltage is fed back to the pulse width modulation circuit via a voltage applied to the first capacitor. The pulse width modulation circuit adjusts a gating time of the transistor so as to adjust the output DC voltage output by the power supply circuit.

Abstract: An exemplary repairing method includes providing a substrate having a plurality of conducting lines; detecting a broken position of one of the conducting lines; switching on a nozzle; and forming a copper layer at the broken position on the substrate. The repairing method of the present invention employing a repairing device for performing a chemical vapor deposition (CVD) method to forming the copper layer at a position of the broken defect of one of the conducting lines.

Abstract: An exemplary flat panel display (1) includes a main body (10) and a transparent holding structure (12) fixed to the main body. The holding structure is configured to hold one or more thin insertions by itself at a side thereof and or by cooperation with the main body wherein one or more thin insertions are held between the holding structure and the main body at a side of the holding structure.

Abstract: An exemplary method for fabricating a polysilicon layer includes the following steps. A substrate (10) is provided and an amorphous silicon layer (12) is formed over the substrate. An excimer laser generator (13) for generating a pulse excimer laser beams collectively having the shape of a generally rectangular shaft is provided to melt a first area (15) of the amorphous silicon layer with the pulse excimer laser beams. The excimer laser generator is moved a distance to melt a second area of the amorphous layer spaced a short distance away from the first area. At least a subsequent third melted area spaced a short distance away from the second melted area is formed, with each subsequent melted area is spaced as short distance away from the immediately preceding melted area.

Abstract: An exemplary backlight module (20) includes a light source (23), a light guide plate (21), a light source reflector (22), and a holding device (24). The light guide plate includes a light incident surface (211). The light source is disposed adjacent to the light incident surface. The light source reflector attaches to the light guide plate, and includes a fixing hole (224). The holding device engages with the light source reflector at the fixing hole and restrains the light source in position a predetermined maximum distance away from the light source reflector.

Abstract: An exemplary multiplexed DC voltage regulation output circuit (2) comprises a first output circuit, a second output circuit, a transformer (21), a power control chip (22), a feedback circuit (20), and a control circuit (26). The first output circuit is configured for outputting low voltage. The second output circuit is configured for outputting high voltage. The transformer is configured for outputting voltages to the first output circuit and the second output circuit. The feedback circuit feeds composite signals from the first output circuit and the second output circuit back to the power control chip. The power control chip adjusts the output voltages of the transformer by changing impulse width of voltages transmitted into the transformer in accordance with the composite signals. The control circuit controls the output voltage of the second output circuit back to a normal high voltage when the output voltage is higher than normal.

Abstract: A liquid crystal display panel includes a color filter, a thin film transistor substrate in opposition to the color filter, a liquid crystal layer provided between the color filter and the thin film transistor substrate and a sealant provided corresponding to the mark regions and surrounding the liquid crystal layer. The mark regions are provided on periphery of the thin film transistor substrate and each includes a plurality of alignment marks as references for applying the frame sealant and therefore controlling the applying amount and rate of the frame sealant so that the applied frame sealant has line width of desired specification and that the distance between the substrates is desirably determined. A related method for manufacturing a liquid crystal display panel is also provided.

Abstract: An exemplary backlight module (3) includes a light guide plate (32) and a frame (34) accommodating the light guide plate. The light guide plate includes a main body including two side surfaces (321), and two sliding strips (325). The sliding strips extend outward from the side surfaces of the main body. Each sliding strip includes a flexible detent (326). The frame includes two opposite first walls (341). The first walls defines two sliding guides (3411) slidably receiving the light guide plate whereby the light guide plate is slidable into the frame and detachably fixed in the frame by snapping engagement of the flexible detents with the frame.

Abstract: An exemplary backlight module (11) includes a light guide plate (12), a reflector (18), and a light emitting diode unit (142). The light guide plate has a light incident surface (122). The reflector is positioned adjacent to the light incident surface, and has a reflection pattern (184) thereat. The light emitting diode unit is interposed between the light incident surface and the reflector.

Abstract: An exemplary point light source (20) includes a light emitting body (230), and a light guide portion (210) adjacent the light emitting body. The light emitting body includes an illuminating portion configured for providing light beams, and a shell packaging the illuminating portion. The light guide portion is configured for guiding the light beams to propagate in desired directions. A size of a cross-section of the light guide portion far away from the light emitting body is less than a size of a cross-section of the light guide portion adjacent to the light emitting body. A backlight module (200) using the point light source is also provided.

Abstract: An exemplary liquid crystal display (600) includes a liquid crystal panel, a scanning driving circuit (61), a compensation circuit (68), a control circuit (67), and a signal line driving circuit (62). The liquid crystal panel includes a first substrate, a second substrate opposite to the first substrate, and a liquid crystal layer sandwiched between the first and second substrates. The first substrate includes a plurality of scanning lines (63) that are parallel to each other and that each extend along a first direction, and a plurality of signal lines (64) that are parallel to each other and that each extend along a second direction orthogonal to the first direction. The scanning driving circuit is connected to the scanning lines, and continuously scans the same scanning lines twice in a frame time. The compensation circuit generates first signals. The control circuit generates gradation signals corresponding to the second frame image data.

Abstract: A dual panel display has a housing, a first display panel, a second display panel, and a backlight module positioned between the first display panel and the fixing face of the housing. The backlight module includes a light guide panel, a light source, at least a transflective film and at least an optical property enhancement film between the light guide panel and the second display panel. The transflective film is positioned between the light guide panel and the fixing face for reflecting a part of light from the light guide sheet so that the part of light passes back into the light guide panel.

Abstract: An exemplary flat panel display (200) includes a display module (22), a supporting member (25) for supporting the display module, and a base (27) detachably attaching to the supporting member. The supporting member includes a first hook (254) and a positioning groove (258). The base includes an elastic member (273) and a first through slot (274). When the first hook is latched in the first through slot and part of the elastic member is received in the positioning groove, the supporting member is detachably attached to the base.

Abstract: A backlight module (200) typically used in a liquid crystal display (LCD) (20) includes at least one light emitting unit (250), and a frame (260) receiving the at least one light emitting unit therein. The frame includes a main body (261), and at least one elastic member provided at an outer side surface of the main body. The LCD employing the backlight module can be prevented from being damaged if the LCD falls to the ground or is bumped.

Abstract: An exemplary light sensor (20) includes a supporting base, a light-sensing unit (21) provided at at least one first location of the supporting base where ambient light is received, and a compensating unit (22) provided at a second location of the supporting base shielded from ambient light, the compensating unit having a structure that is the same as the light-sensing portion. The light-sensing portion includes at least one amorphous silicon thin film transistor (TFT) (210) configured for sensing light, and the compensating unit is configured for providing a reference value current for the light-sensing unit. A display device using the light sensor is also provided.

Abstract: An exemplary method for adjusting clock phase of a monitor includes: setting a reference threshold voltage, when an input voltage of image signals is greater than the reference threshold voltage, a scaler begins to receive clock phases generated by a Phase Locked Loop; dividing the clock phase into a plurality of equal periods, recording a corresponding input voltage at each point dividing two adjacent period, and setting the corresponding input voltage as a threshold voltage of the next period; recording a quantity of the clock pulses in each period; evaluating whether a period of the clock phase is a regular period according to whether the quantity of clock pulse in the period is equal to a reference quantity or not, while the input voltage is generating retardation; and selecting the input voltage of the image signals corresponding to a regular period as a threshold voltage of the scaler.

Abstract: A common voltage adjusting circuit (200) includes a delta adder (21), a sigma adder (22), a sigma latch (23), and a quantization circuit (24). The delta adder includes a first input terminal configured for receiving a binary signal, a second input terminal, and an output terminal. The sigma adder includes a first input terminal connected to the output terminal of the delta adder, a second input terminal, and an output terminal. The sigma latch includes a first input terminal connected to the output terminal of the sigma adder, and an output terminal connected to the second input terminal of the delta adder and the second input terminal of the sigma adder. The quantization circuit includes a first input terminal connected to the output of the sigma latch, and an output terminal connected to a common electrode of a TFT-LCD.

Abstract: An exemplary backlight module (11) includes a frame (17), and a light guide plate (16) received in the frame. The frame includes a supporting board (170) defining a notch (174) therein. The light guide plate includes a light incident surface (160), a side surface (166), and a first ear (168) outwardly extending from the side surface. The first ear is received in the notch, and a top surface of the first ear is coplanar with a top surface of the supporting board at the notch.