404results about How to "Improve image display" patented technology

A system and method are provided for control of a navigation system for deploying a medical device within a subject, and for enhancement of a display image of anatomical features for viewing the projected location and movement of medical devices, and projected locations of a variety of anatomical features and other spatial markers in the operating region. The display of the X-ray imaging system information is augmented in a manner such that a physician can more easily become oriented in three dimensions with the use of a single-plane X-ray display. The projection of points and geometrical shapes within the subject body onto a known imaging plane can be obtained using associated imaging parameters and projective geometry.

In a display device such as a liquid crystal display, a processing for compressing a range of display data (grayscale) to a low grayscale side (a grayscale range where response is fast) except for a high grayscale side (a grayscale range where response is slow) at a predetermined compression ratio to conduct display according to response characteristic of transition between grayscales and a temperature state and a processing for increasing a light amount of a backlight to compensate for luminance change due to the compression are performed, for example, in a liquid crystal panel of TN liquid crystal. Thereby, response can be made fast even at a low temperature time.

In a display substrate having substantially the same resistance between adjacent fan-out parts having an asymmetric structure and a display device having the display substrate, the display substrate has a display region having pixel parts and a peripheral region surrounding the display region. The display substrate further includes a first fan-out part and a second fan-out part. The first fan-out part is formed in the peripheral region, and includes lines of a first group. The second fan-out part has an asymmetric structure with respect to the first fan-out part, and includes lines of a second group. The second fan-out part is adjacent to the first fan-out part. The lines of the second fan-out part have substantially the same resistance as the lines of the first fan-out part. Therefore, image display quality of the display device may be improved. A method of improving display quality of the display device is also provided.

An image display apparatus including an image display device in which pixels are arranged in a dot-like form and a diffraction grating having a lattice face with a water contact angle of 70 DEG or more. The diffraction grating is arranged on a display optical path of the image display device such that the lattice face of the diffraction grating faces toward a side of a viewer and a viewing angle of the image display device is enlarged by the diffraction grating.

A liquid crystal panel for displaying an input image and a black image during one frame period, a target black display period ratio calculating unit configured to obtain a black image display period occupying one frame period of the input image, a black display period ratio change amount calculating unit configured to obtain the amount of change in ratio of black display period for each of one or a plurality of frames, a black display period ratio determining unit configured to calculate the ratio of black display period for an actual display, a black display period control unit configured to control a period for displaying the input image and the black image on the image display unit, and a display luminance control unit configured to restrain variations in luminance of the image display unit during one frame period within a predetermined range are provided.

The invention provides a pixel circuit, a driving method of a pixel circuit, an organic light emitting display panel and a display device. Through the arrangement of a touch detection module and a display driving module realizing the multiplexing of a first scanning line and a second scanning line, the influence of the threshold value of a transistor on light emitting driving signals can be eliminated, the brightness uniformity of the organic light emitting display panel is improved, and the image display effect of the display device is improved. Meanwhile, the pixel circuit provided by the embodiment of the invention has the advantages that through adopting the arrangement of the circuit structure controlling the signal multiplexing, the display driving is realized, and meanwhile, the touch control detection can be realized, so the high-efficiency integration of the display driving and the touch control detection can be realized.

A liquid crystal display includes a liquid crystal panel having a plurality of pixels, a lookup table which stores information about a plurality of digital common voltages, each of the plurality of digital common voltages corresponding to at least one gray value, a timing controller which analyzes gray characteristics of image signals to be displayed on the liquid crystal panel and which selects one of the digital common voltages based on an analysis result, and a common voltage generator which generates an analog common voltage in response to the digital common voltage selected by the timing controller and which supplies the analog common voltage to the liquid crystal panel.

A one-frame interval is divided into a light field interval and a dark field interval. In the light field interval, the display data of high tones is displayed, while in the dark field interval, the display data of low tones is displayed. This divisional display makes it possible to pseudoly display the tones of the input display data. Then, in a case that the tones of the input display data is on the lower tone side, the display data of the dark field is set to the corresponding minimum tone with the minimum luminance, while in a case that the tone of the input display data is on the higher tone side, the display data of the light field is set to the corresponding maximum tone with the maximum luminance.

The embodiment of the invention discloses a display panel and a display device. The display panel comprises a display module and a fingerprint identification module, wherein the display module comprises a substrate base plate, a plurality of pixel units positioned on one side of the substrate base plate, and first scanning lines extending along the first direction, each pixel unit comprises a pixel drive unit and a light-emitting unit positioned on the side, far away from the substrate base plate, of the pixel drive unit, and the light-emitting unit comprises a metal anode; the fingerprint identification module is used for carrying out fingerprint identification according to light rays reflected to a fingerprint identification unit through a touch main body; the vertical projection of thefirst scanning lines on the substrate base plate and the vertical projection of the metal anode on the substrate base plate have an overlapped area. For the display panel provided by the embodiment ofthe invention, shielding electrodes are arranged between the film layer where the first scanning lines are located and the film layer where drain electrodes are located, the shielding electrodes andthe drain electrodes are insulated, the vertical projection of the shielding electrodes on the substrate base plate and the overlapped area are overlapped, the capacity coupling between the metal anode and the first scanning lines can be reduced, and thus the image display effect is improved.

The invention provides a pixel circuit as well as a driving method, an organic light-emitting display panel and a display device thereof. The pixel circuit comprises a drive control unit and a touch control unit, wherein under control of a first scanning signal and a second scanning signal, a storage capacitor charges and discharges electricity through a first level, a second level and data voltage, so that gate source voltage of a drive transistor can compensate threshold voltage of the drive transistor by controlling the drive transistor to drive an organic light emitting diode to emit light; and the touch control unit comprises a touch sensing device which is used for sensing being touched or not under control of the first scanning signal and the second scanning signal and sends a corresponding touch sensing signal to a touch signal read line. According to the pixel circuit as well as the driving method, the organic light-emitting display panel and the display device thereof, touch control can be realized while display driving is realized, and accordingly, efficient integration of display driving and touch control is realized.

The present invention discloses a pixel display configuration by providing a voltage controller in each pixel control circuit for controlling the voltage inputted to the pixel electrodes. The controller includes a function of multiplexing the voltage input to the pixel electrodes and also a bit buffering and decoupling function to decouple and flexible change the input voltage level to the pixel electrodes. The controller further includes a first switching stage and a second switching stage and each stage has a P-type transistor and a N-type transistor to expand the range of the switching voltages such that the improvement of the pixel control is further enhanced. The rate of DC balancing can be increased to one KHz and higher to mitigate the possibility of DC offset effects and the image sticking problems caused by slow DC balancing rates. This invention further discloses an enabling technology for switching from one DC balance state to another without rewriting the data onto the panels. Therefore, it is not required to implement a high voltage CMOS designs and standard CMOS technologies can be applied to manufacture the storage cells and control panel for the LCOS displays with lower production cost and higher yields.

A head-up display for a vehicle has a laser and a scanning system. An image, which is to be displayed in the field of vision of the driver of the vehicle and which is composed of individual pixels, is produced pixel-by-pixel by the laser and the scanning system. The head-up display has a projection system having a projection surface and a magnifying optical system. The projection system projects the image to be displayed onto a virtual image plane and magnifies the image in the process. The size of the pixels in the virtual image plane is smaller than the resolving ability of the human eye, which is the case for an angular distance less than 0.5′, for example.

The present invention relates to the field of display, particularly to a display panel, a driving method thereof and a display device. The display panel comprises an array substrate provided with first electrodes and second electrode arranged in a same layer and a color filter substrate provided with third electrodes. The first electrodes and the second electrodes are alternately arranged in parallel at intervals and electrically isolated from each other. The second electrodes and the third electrodes are arranged correspondingly in space. The present invention has the following beneficial effects: by performing rectangular segmentation on the original plate-shaped common electrodes, the display panel ensures that common electrodes during display and driving electrodes during touch are electrically isolated from each other; in addition, as the diving electrodes are connected by redundant data lines, a display device comprising the display panel has a good image display effect and a higher touch sensitivity.

A liquid crystal display (LCD) device includes a back light module, a LCD panel and a front frame. The back light module includes a metal back plate, a light-guiding plate, a reflection cover, a light source and a rubber frame. The light-guiding plate and the reflection cover are disposed inside the metal back plate, and the light-guiding plate has a light incident surface, a light emission surface and a side surface connected to the light emission surface. The reflection cover is located beside the light incident surface, and the light source is disposed therein. The rubber frame is disposed on the metal back plate and includes a body and a light-shielding portion connected thereof. The light-shielding portion is disposed between the side surface and the metal back plate. The front frame and the metal back plate are assembled together and together with the rubber frame, clamp the LCD panel.

The invention discloses an image reinforcing method for a security inspection system. The method comprises the steps of: (A) rebuilding and displaying an initial radiation image on a basis of initial data obtained from a detector of the security inspection system; (B) selecting a target area in the displayed initial radiation image; and (C) enhancing the contrast ratio of the selected target area and displaying the enhanced image. With use of the method for partially enhancing the radiation image disclosed by the invention, an operator can partially enhance the contrast ratio of a suspicious area conveniently to highlight the detailed information of an interesting area, so that display effect of the image can be improved.

The invention provides an image display apparatus that includes: a frame memory into which inputted image data is stored; a statistical computation section that performs statistical computation on a gradation value of each pixel on the basis of the image data for each frame image; a correction section that corrects the image data stored in the frame memory on a frame-by-frame basis by means of a statistical computation result calculated at the statistical computation section; an image display section that performs image display by means of the image data corrected at the correction section; a light source control section that calculates a control amount applied to the amount of light emitted from a light source on the basis of the corrected image data and then controls the amount of light emitted from the light source in accordance with the control amount; and a still picture judgment section that makes a judgment as to whether the frame image constitutes a still picture or not. In such a configuration of the image display apparatus according to an aspect of the invention, the statistical computation section suspends the statistical computation till the frame image is updated if the still picture judgment section judges that the frame image constitutes a still picture.

An operational unit determines, for subfield(s) other than a last subfield of a plurality of subfields constituting a single frame period, based on a difference determined by a data comparison unit, exceeded display data for setting the transmittance of each pixel to a value exceeding a target transmittance corresponding to image data supplied anew. The operational unit also determines, for the last subfield of the single frame period, based on the difference determined by the data comparison unit, target display data for setting the transmittance of each pixel to the target transmittance. An overshoot operation or operations are performed within the single frame period, and each pixel is set to the transmittance corresponding to the image data. This makes it possible to avoid trails occurring in moving image display and enhance the appearance of moving image display with no increase in frame rate.