Abstract: Disclosed is an organic light-emitting display panel and a method for compensating voltage drop thereof. The organic light-emitting display panel is added with a voltage drop compensation unit, which is connected to a data driving unit, and used for calculating, as per a data voltage output by the data driving unit and inbuilt iterative algorithm, a voltage at a junction between a power wiring and each of a plurality of pixel units. Subsequently, the data voltage output by the data driving unit is compensated based on a voltage difference between the voltage as calculated and a supply voltage.

Abstract: The present disclosure discloses a pixel circuit, a display panel comprising the pixel circuit, and a display device comprising the pixel circuit. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, and a fifth transistor. The lifetime of the circuit can be prolonged by the pixel circuit with threshold voltage compensation function of the present disclosure. The pixel circuit can not only be used in large sized display device driven through SE mode, but also be used in medium or small sized display device driven through PE mode.

Abstract: A device and a method for processing a waited display picture of an OLED display device are provided. The device includes a block dividing unit for dividing a waited display picture into multiple blocks; an average grayscale determining unit for determining an average grayscale value of each block; a high grayscale determining unit for determining a block having an average grayscale value greater than a preset threshold value as a high grayscale block; an adjacent grayscale determining unit for determining an adjacent grayscale value of each high grayscale block; and a regulation unit for adjusting grayscale values of pixels of each high grayscale block. The present invention adjusts grayscale values using a block as a unit. Besides, the difference of luminous efficiency or light transmittance of different color components is also considered so as to effectively improve the life of the OLED display device.

Abstract: The present invention provides a protective circuit, employed to protect a liquid crystal display, and the liquid crystal display includes a display panel and a level translator providing a clock signal to the display panel through an output line, and the protective circuit includes a first transistor, a detection circuit and a controller coupled to both the first transistor and the detection circuit, and the first transistor is electrically coupled to the detection circuit and the output line, and the clock signal is outputted to the display panel through the first transistor, and the detection circuit detects the clock signal and determines whether the clock signal is normal or not, and as the clock signal is abnormal, the controller controls the level translator to stop outputting the clock signal to the display panel.

Abstract: The present invention discloses a LCD device and a LCD. The LCD device includes: a power supply unit, a gate driver circuit, a source driver circuit and a plurality of data lines and scan lines that interlace mutually, the gate driver circuit includes a plurality of gate driver integrated circuits, the source driver circuit includes a plurality of source driver integrated circuits, the power supply unit is applied to generate a gate high voltage and a gate low voltage; the power supply unit transmits the gate high voltage to a plurality of gate driver integrated circuits by a plurality of first transmission routes, the power supply unit transmits the gate low voltage to a plurality of gate driver integrated circuits by a plurality of second transmission routes, the plurality of gate driver integrated circuits provide scanning signals to the plurality of scan lines in turn.

Abstract: A sound absorbing metamaterial comprises an acoustic impedance-matched surface configured to minimize reflection from an incident acoustic wave. The surface is comprised of an elastic or flexible membrane and a substantially rigid mass mounted on the membrane. A relatively solid surface is provided as a reflective surface and is positioned behind the membrane. The reflective surface is separated by a predetermined distance from the elastic or flexible membrane and forms a fluid space between the membrane and the solid surface. The mass mounted on the membrane, in combination with the elastic membrane establish a plurality of eigenfrequencies.

Abstract: An assembly structure has a fixing portion and a locking portion. The fixing portion is in a first housing and has a fixing part and a stopping portion. The locking portion is in a second housing and has a moving direction relative to the second housing. The locking portion has a locking part and a hook portion. The assembly structure has a fixing state and a stopping state; in the fixing state, the locking part is connected to the fixing part. The locking part moves to the stopping state along the moving direction for switching the assembly structure to the stopping state. In the stopping state, the hook portion leans against the stopping portion, and the locking part and the fixing part are separated for allowing the fixing portion to be separated from the locking portion along an assembly direction, the assembly direction and the moving direction being different.

Abstract: The present invention provides an electronic device (100) having smaller number of drive chips and including a timing controller (10), a gate and a source drive chips (20, 30), a pixel cells matrix (60) and a multiplexer (40). The multiplexer (40) includes a plurality of first signal outputs connected to the pixel cells matrix (60). The timing controller (10) might generate enable signals for the multiplexer (40). In this way, the multiplexer (40) could output scan signals to the pixel cells matrix by a corresponding signal end. The number of the drive chips could be reduced by the present invention.

Abstract: Disclosed is an organic light-emitting display panel and a method for compensating voltage drop thereof. The organic light-emitting display panel is added with a voltage drop compensation unit, which is connected to a data driving unit, and used for calculating, as per a data voltage output by the data driving unit and inbuilt iterative algorithm, a voltage at a junction between a power wiring and each of a plurality of pixel units. Subsequently, the data voltage output by the data driving unit is compensated based on a voltage difference between the voltage as calculated and a supply voltage.

Abstract: A power adapter with a power saving mode includes a power adaptation unit. The power adaptation unit includes a pulse width modulation control unit and a power saving signal receiver. The power saving signal receiver is electrically connected to the pulse width modulation control unit. When the power adapter enters a working status, the power adapter charges a battery. After the power saving signal receiver receives a battery fully-charged signal, the power adapter enters a sleeping status.

Abstract: Sound attenuation is performed using a sound attenuation panel using an electromagnetic or electrostatic response unit to modify resonance. The sound attenuation panel has an acoustically transparent planar, rigid frame divided into a plurality of individual cells configured for attenuating sound. In one configuration, each cell has a weight fixed to the membrane. The planar geometry of each said individual cell, the flexibility of the membrane, and the weight establish a base resonant frequency for sound attenuation. The electromagnetic or electrostatic response unit is configured to modify the resonant frequency of the cell.

Abstract: A device and a method for processing a waited display picture of an OLED display device are provided. The device includes a block dividing unit for dividing a waited display picture into multiple blocks; an average grayscale determining unit for determining an average grayscale value of each block; a high grayscale determining unit for determining a block having an average grayscale value greater than a preset threshold value as a high grayscale block; an adjacent grayscale determining unit for determining an adjacent grayscale value of each high grayscale block; and a regulation unit for adjusting grayscale values of pixels of each high grayscale block. The present invention adjusts grayscale values using a block as a unit. Besides, the difference of luminous efficiency or light transmittance of different color components is also considered so as to effectively improve the life of the OLED display device.

Abstract: A sound absorption panel (201) is constructed on an acoustically thin sheet (203) to provide an acoustic/vibrational energy absorption metamaterial structure. A plurality of dampers (101) are fixed to the acoustically thin sheet (203), and at least a subset of said dampers (101) comprise a support (103) and a flexible membrane (105) supported by the support. The flexible membrane (105) has one or more masses or platelets (107) attached. The dampers (101) in combination with the sheet (203) result in absorption of energy of movement of the sheet (203) resulting from sound transmission or vibrations across the sheet.

Abstract: The present disclosure discloses a pixel circuit, a display panel comprising the pixel circuit, and a display device comprising the pixel circuit. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, and a fifth transistor. The lifetime of the circuit can be prolonged by the pixel circuit with threshold voltage compensation function of the present disclosure. The pixel circuit can not only be used in large sized display device driven through SE mode, but also be used in medium or small sized display device driven through PE mode.

Abstract: An assembly structure has a fixing portion and a locking portion. The fixing portion is in a first housing and has a fixing part and a stopping portion. The locking portion is in a second housing and has a moving direction relative to the second housing. The locking portion has a locking part and a hook portion. The assembly structure has a fixing state and a stopping state; in the fixing state, the locking part is connected to the fixing part. The locking part moves to the stopping state along the moving direction for switching the assembly structure to the stopping state. In the stopping state, the hook portion leans against the stopping portion, and the locking part and the fixing part are separated for allowing the fixing portion to be separated from the locking portion along an assembly direction, the assembly direction and the moving direction being different.

Abstract: An apparatus for generating a giant electrorheological (ER) effect includes an upper high voltage electrode and a lower high voltage electrode, the upper high voltage electrode and the lower high voltage electrode each covered with a water-absorbing material and have water absorbed thereon. The apparatus also includes a fluid channel formed by layers and positioned in a gap between the upper high voltage electrode and the lower high voltage electrode; a pressure sensor positioned at one of the high voltage electrodes; a pump to flow silicon oil through the fluid channel; and a high voltage source configured to apply a voltage to the upper high voltage electrode. A method for generating a ER utilizes the apparatus.

Abstract: A substantially acoustically transparent planar, rigid frame divided into a plurality of individual, substantially two-dimensional cells is used to construct a sound absorption panel. A sheet of a flexible material is fixed to the rigid frame, and a plurality of platelets fixed to the sheet of flexible material such that each cell is provided with a respective platelet, thereby establishing a resonant frequency, establishing an increase in an absorption coefficient of the panel. The flexible material has a wrinkle or corrugation to permit distortion with reduced material elasticity. The wrinkle or corrugation permits the flexible material to distort beyond that afforded by a planar material of the same type, while retaining mechanical strength in supporting the plurality of platelets.

Abstract: A rotatable assembly includes a rotatable collar, a rotatable stopper and a fixed stopper. The rotatable collar has a first slide groove. The rotatable stopper includes a first slider and a second slider which are opposite to each other. The first slider slidably is installed in the first slide groove. The rotatable collar is rotatable relative to the rotatable stopper within a first rotatable angle by the first slider. The fixed stopper has a second slide groove. The second slider is slidably installed in the second slide groove. The rotatable stopper is rotatable relative to the fixed stopper within a second rotatable angle by the second slider. A sum of the first rotatable angle and the second rotatable angle is 360 degrees.

Abstract: A method of driving active-matrix organic light-emitting diode (AMOLED) panels includes: (A) dividing a current frame of a current image corresponding to an i-th color component into a plurality of sub-frames, wherein i?[1,N], and N is a total number of the color component; (B) obtaining a sequence of the sub-frames of a previous frame of a previous image corresponding to the i-th color component, wherein the previous frame has been divided into a plurality of sub-frames by the same way with the current frame; (C) determining the sequence of the sub-frames of the current frame in accordance with the sequence of the sub-frames of the previous frame, wherein the sequence of the sub-frames (SF) of the current image is same with or is different from that of the previous frame; and (D) controlling the panel to display in accordance with the sequence of the sub-frames of the current frame determined by corresponding color components.

Abstract: A sound attenuation panel is configured with a substantially acoustically transparent planar, rigid frame divided into a plurality of individual, substantially two-dimensional cells. A sheet of a flexible material is fixed to the rigid frame, and a plurality of platelets fixed to the sheet of flexible material such that each individual cell of the plurality of cells is provided with a respective platelet to establish a resonant frequency, the resonant frequency defined by the planar geometry of the individual cells, the flexibility of the flexible material and the platelets. The cells are divided into at least two different types of the individual cells, configured so that sound waves emitted by a first type of said different types of individual cells establishes a sound cancellation pattern with sound waves emitted by a second type of said different individual cells or an aggregation of different types of the individual cells.