48results about How to "Improve screen display" patented technology

The present invention discloses a backlight brightness control method and device, and a display device. The method mainly comprises: determining the backlight duty ratio of each backlight partition according to the backlight value of each backlight partition; determining a plurality of backlight areas included in the current backlight module; performing statistics of the average backlight value of each backlight area; searching a gain value corresponding to each backlight area according to the average backlight value of each backlight area and a preset gain curve; regulating the backlight current of corresponding backlight area according to the gain value; determining the gain backlight current value of each backlight area; and generating driving signals according to the gain backlight current value and the background duty ratio in each the backlight area to control the backlight brightness of each backlight partition in the backlight area so as to allow the backlight current values of different backlight areas to be different and effectively improve the image layering and the contrast of a frame in the display process.

This invention relates to one multi-screen play simultaneous control method for irregular screen, which comprises the following steps: adopting Bezier net grid to process deformation on the picture to fit the projection to irregular screen; then through control end for collection and process on multi-screen picture to fulfill deformation correction; finally processing edge melting; in playing process, through control end processing multi-screen simultaneous control.

The invention discloses a virtual environment visual angle switching method, equipment and a storage medium, and relates to the field of virtual environment. The method comprises the following steps of: displaying a first virtual environment picture, wherein the virtual environment picture comprises a picture obtained through observing virtual environment by adoption of a first visual angle of a virtual object; displaying a first transition fragment, wherein the first transition fragment comprises a picture obtained through observing the virtual environment when moving from the first visual angle of the virtual object to a second virtual angle; and displaying a second virtual environment picture, wherein the second virtual environment picture is a picture obtained through observing the virtual environment by adoption of the second visual angle. According to the method, the process of switching from the first visual angle to the second visual angle is simulated by adoption of lens movement similar to picturizing, so that the switching is closer to the visual angle switching form in the real world, and more nature and excellent picture display effect is provided, thereby solving theproblem that the immersion, to the virtual environment, of observers is interrupted by abrupt visual angle switching.

The invention discloses a driving method of a liquid crystal panel and a driving circuit thereof; the method comprises the following steps that through the control of a corner cutting circuit, a scanning waveform is sent to the liquid crystal panel after having cut corners so as to drive the liquid crystal panel. Each scanning cycle of the scanning waveform comprises at least two cut corners with different slopes. According to the driving method of the liquid crystal panel and the driving circuit thereof, when the liquid crystal panel is driven, at least two cut corners with different slopes appear in each scanning cycle of the scanning waveform of the driving voltage under the control of the corner cutting circuit, so that the flexibility in adjusting the scanning waveform is higher when the levelness of the liquid crystal panel is adjusted, the impact on the RC delay of different positions of the panel due to the resistance and the capacitance of the panel on the cut corners of the scanning waveform with different slopes is the closest, the levelness of the panel is the best, and a better picture display effect is achieved.

This invention relates to a manufacturing method for a semiconductor structure, which first of all forms a semiconductor layer in the active element region and the capacitor-storage region on the base plate, forms a first interlayer dielectric layer to cover the semiconductor layer, forms a grid and a first electrode on the first interlayer dielectric layer above the active region and the capacitor-storage region to take the first interlayer dielectric layer under the grid as the grid dielectric layer to dope it to form a source and a drain in the semiconductor layer of the active region, forms a second interlayer to cover the grid and the first electrode and forms a patternized conduction layer as the pixel electrode on it to be covered by a patternized third interlayer dielectric layer and forms multiple contact windows in the first, second and third dielectric layers to expose the source, drain, part of the conduction layer and the first electrode, forms a second electrode on the third dielectric layer to be connected to the first electrode and the source/drain are connected with the semiconductor layer and the patternized conduction layer by leads.

The invention provides a liquid crystal display panel and a driving method thereof. The liquid crystal display panel comprises scanning lines, data lines, pixel electrodes and common electrodes, wherein multiple scanning lines and multiple data lines are mutually intersected to define multiple pixel regions, the pixel electrodes are arranged in the pixel regions, the common electrodes are matched with the pixel regions to produce an electric field driving liquid crystal molecules to deflect, the common electrodes are divided into multiple columns mutually spaced in the directions of the data lines and include the common electrodes located in odd-number columns and the common electrodes located in even-number columns, the common electrodes located in odd-number columns are jointly connected to a first common electrode bus, and the common electrodes located in even-number columns are jointly connected to a second common electrode bus. The liquid crystal display panel inputs alternating current driving signals (AC V_com) identical in frequency but opposite in polarity respectively through the common electrodes located in odd-number columns, can achieve polarity reversal modes of column reversal and point reversal while reducing output voltage of a data drive IC and accordingly achieves a better image display effect.

The present invention is a method for turning over an advertisement plate with multi-faces showing. This method is a rotation of the driving wheel for changing showing face which is realized in the manner that at least one active wheel drives various advertisement showing units through a linking tape. There is a portion the thickness of which is increased on the part of the surface in the length direction of the linking tape, the thickness of the portion fits to the interval between a leaning wheel and the driving wheel for changing showing face. In the advertisement plate with multi-faces showing in double directions made in this method, a plurality of advertisement showing units closely arranged side by side constitute a front integral advertisement showing face and a rear one, in each advertisement showing unit a tableau unit plate is fixed in a chain link, the plurality of chain links form an endless closing chain loop which is mounted between two chain wheels positioned on two main shafts respectively, so that the plurality of the tableau units are rotated by a driving power to show circularly. The invention is constituted of a plurality of the advertisement showing units side by side, multi-faces showing circularly in double directions can be realized just by increasing the number of the chain links in each advertisement showing unit and the number of the tableau unit plates fixed thereon according to the requirement of the number of the shown tableaus in different sites.

There are provided an array substrate, a touch display panel and a touch display device according to the disclosure. The array substrate includes: multiple gate lines and multiple data lines; multiple pixel units surrounded by the gate lines and the data lines; a common electrode layer divided into multiple electrode units, where each electrode unit includes at least two electrode blocks with a cross area where the at least two electrode blocks are chimeric with each other, the length of the cross area in a direction parallel to the data lines is greater than or equal to the length of an area where drive signals overlap in the direction parallel to the data lines, the area where the drive signals overlap includes the gate lines the drive signals for which overlap and the pixel units electronically connected to the gate lines.

The invention discloses a large-screen projection system, comprising a laser light source, a light splitting module, a light machine module, a projection module and a screen module, wherein after a light beam emitted by the laser light source is projected to the light splitting module, the received light beam is split by the light splitting module; at least N paths of sub light beams are obtained after the light beam is split; each path of sub light beam is projected into the light machine module; these sub light beams are modulated by the light machine module; each path of signal light obtained after modulation is projected to the screen module via the projection module to form an image. Because the light path of the large-screen projection system can be randomly divided into a plurality of light paths, a number and a splicing mode of sub screens of a spliced wall are not limited.

An optical system is provided including a light source configured to emit a light; and a polarizing splitting multiplexing device including a first prism configured to split the light into two polarized light beams having different optical path lengths, and a second prism configured to combine the two polarized light beams. The first prism includes a first reflective surface and a first polarization splitting surface facing the first reflective surface, and the second prism includes a second reflective surface and a second polarization splitting surface facing the second reflective surface.

The invention relates to a method for preventing jitter of a screen of a handheld terminal. The method comprises the following steps of: 1) starting the handheld terminal; 2) judging whether an acceleration sensor is started, if so, executing a step 3), otherwise, executing a step 7); 3) making a processor in the handheld terminal judge whether to receive an anti-jitter function starting signal, if so, executing a step 4), otherwise, executing the step 7); 4) detecting a jitter parameter of the handheld terminal by using the acceleration sensor, and transmitting the jitter parameter to the processor; 5) setting an origin coordinate drawn by a man-machine interface by using the processor according to the jitter parameter; 6) drawing the man-machine interface, suspending the man-machine interface on a screen of a display, making the man-machine interface relatively static relative to eyes of a user, and returning to the step 2); and 7) closing the anti-jitter function of the handheld terminal. Compared with the prior art, the method has the advantages that: the eyes of the user cannot feel the jitter of the man-machine interface of the terminal, clearer, more natural and safer view is realized and the like.

The invention discloses a display panel and a manufacturing method thereof. The display panel comprises a substrate; a driving circuit layer which is arranged on the substrate; a planarization layer arranged on the driving circuit layer; first electrodes, light-emitting function layers and second electrodes which are sequentially arranged on the planarization layer, wherein in a plane parallel tothe substrate, the plurality of first electrodes are arranged in an array, the area covered by the orthographic projection of the first electrodes on the substrate is a first area, and the first electrodes are in one-to-one correspondence with the first areas. The surface, close to the first electrode, of the planarization layer of each first area is parallel to the plane where the substrate is located, or, a first inclination angle is formed between the surface, close to the first electrode, of the planarization layer of each first area and the plane where the substrate is located, and the four-direction inclination directions of the surface, close to the first electrode, of the planarization layer of each first area are the same. The invention provides a display panel and a manufacturingmethod thereof, and aims to solve the problem of inconsistent four-direction color cast of an organic light-emitting display panel.

A display device has a display panel generating visible light and generating infrared rays; a plurality of detectors detecting a change in an intensity of the infrared rays generated by the display panel; and the plurality of detectors recognizing a touch applied to the display panel in dependence upon the change detected in the intensity of the infrared rays.

The embodiment of the invention discloses a spliced screen and a preparation method thereof. In one specific embodiment, the spliced screen comprises a plurality of display modules and a cover plate arranged on the plurality of display modules; each display module comprises a base, a supporting piece fixed to the base and a display panel arranged on the supporting piece, and the bases corresponding to the adjacent display modules are connected with each other; the display panel comprises a plane display area and a bonding area arranged on one side of the plane display area, and the bonding area is bent towards the side facing the light emitting side; and in one direction, the plurality of display modules comprise display modules of which the bonding areas are oppositely arranged, and the oppositely arranged bonding areas form a first spliced area. According to the spliced screen, the splicing seam effect of the spliced screen can be effectively weakened, the picture display effect of the spliced screen is optimized, and a user cannot see splicing traces in the visual effect.

The embodiment of the invention discloses a spliced screen and a preparation method thereof. In one specific implementation mode, the spliced screen comprises a plurality of display modules, and each display module comprises a supporting piece and a display panel arranged on the supporting piece; each display panel comprises a flat panel display area, a bent display area and a bonding area, wherein the bent display area is arranged on one side of the flat panel display area and bent towards the supporting piece side, and the bonding area is arranged on the side, away from the flat panel display area, of the bent display area and bent to the side, back to the display panel, of the supporting piece. On one hand, the plurality of display modules comprise display modules of which the bending display areas are oppositely arranged, and the oppositely arranged bending display areas form a splicing area. According to the spliced screen, the splicing seam effect of the spliced screen can be effectively weakened, the picture display effect of the spliced screen is optimized, and a user cannot see splicing traces in the visual effect.

The invention provides a display panel, which comprises m gate lines which are arranged at intervals along a first direction; n data lines which are arranged at intervals in the second direction, wherein the m gate lines and the n data lines are insulated and crossed to define a plurality of sub-pixels; a plurality of light emitting diodes, each light emitting diode being formed in one sub-pixel and electrically connected to one data line and one gate line, and having a reverse bias current in a non-working state; n current sources, each current source having an output current, each current source being formed in a sub-pixel, each current source being electrically connected to a data line and a gate line, respectively, and each current source being connected to a different data line; and adriver electrically connected with the m gate lines and the n data lines, wherein the driver is used for controlling the working states of each light-emitting diode and each current source and controlling reverse bias current and output current to drive the light-emitting diode in the working state at present to emit light. The invention further provides a driving method.

The invention discloses an automobile data recorder, a screen projection method and device thereof, and a computer readable storage medium. The screen projection method of the automobile data recordercomprises the following steps: establishing communication connection with a vehicle-mounted central control host; when an identity authentication request sent by the vehicle-mounted central control host based on a screen projection protocol of the vehicle-mounted central control host is received, feeding back preset authentication information based on the identity authentication request; and after the preset authentication information passes the identity authentication of the vehicle-mounted central control host, establishing screen projection connection based on the screen projection protocol with the vehicle-mounted central control host. The screen projection method of the automobile data recorder has the advantages of convenience in screen projection, good screen projection display effect, high screen projection stability and the like.

The invention discloses a display panel, a manufacturing method thereof and a display device. The display panel comprises a substrate, a pixel limiting layer which is located on one side of the substrate, and is provided with an opening, an OLED backlight structure layer located in the opening, and a quantum dot layer which is positioned in the opening and is positioned on one side, opposite to the substrate, of the OLED backlight structure layer. The display panel is high in integration level, and miniaturization and thinning of the display panel are facilitated.

The invention provides a programmable image display device. The programmable image display device comprises a fixing plate, a plurality of LED lamps, at least one LED programmable controller, a constant-current driving circuit and canvas, wherein the LED lamps are arranged on the fixing plate; the at least one LED programmable controller is electrically connected with the LED lamps, light emittingparameters of the LED lamps are controlled, and the display effect of images is adjusted; the constant-current driving circuit is electrically connected with the LED lamps, and the canvas is formed on the light-emitting sides of the LED lamps.

The invention discloses a power generation circuit and a display device thereof. The power generation circuit outputs a first voltage and transmits the first voltage to a plurality of pixels of the display panel. The first voltage has a predetermined high voltage level, the power supply generation circuit comprises a voltage output circuit and a voltage conversion circuit, the voltage output circuit outputs a second voltage, and the voltage conversion circuit is electrically connected with the voltage output circuit and outputs a first voltage according to the second voltage and a control signal; and within a period of time of the first voltage, the control signal enables the first voltage output by the voltage conversion circuit to rise to a preset high voltage level, and enables the highest voltage level of the last falling edge of the first voltage to be smaller than the preset high voltage level. The capacitive coupling effect can be effectively improved, and the display effect ismore excellent.

The invention provides an interconnection screen projection method and device, and the method comprises the following steps: receiving a first video signal transmitted by video output equipment in a TYPEC first transmission mode, and judging whether the display quality of the first video signal reaches the target display quality or not; if the display quality of the first video signal does not reach the target display quality, sending target display quality information and a supported video transmission protocol to a video output device; a second video signal output by the video output device in a TYPEC second transmission mode according to the target display quality information and the video transmission protocol is received, and the TYPEC second transmission mode comprises a first video transmission protocol and a second USB data transmission protocol; and receiving and displaying the second video signal. The interconnected screen projection method has the advantage that the corresponding video transmission channel can be selected to transmit the video signal meeting the screen projection display quality according to the screen projection display quality requirement of the interactive panel.

The invention discloses an LED display screen with the function of dissipating heat before a screen. The LED display screen comprises a structure formed by sequentially fastening a mask, a middle waterproof ring, an SMD LED, a circuit board, a bottom shell and a waterproof ring, wherein the circuit board is arranged in the bottom shell, and the SMD LED is installed on the circuit board and coveredby the Fresnel lens mask; the mask and the bottom shell are buckled to form a sealed box structure; the SMD LED comprises a red light-emitting chip, a green light-emitting chip and a blue light-emitting chip, and the red light-emitting chip, and the green light-emitting chip and the blue light-emitting chip are packaged on the circuit board in the shape of Chinese character 'pin'; a shielding plate and a black shading blade are arranged on the mask. A Fresnel lens is adopted to dissipate heat before the LED display screen, the phenomenon that environment temperature is too high is reduced byscattering outside light, an internal light source is used for improving the lighting effect and improving brightness, the display screen can be displayed clearly outdoors without large power of lightpoints, and therefore light source quality and light use efficiency are improved.