113results about How to "Does not affect aperture ratio" patented technology

The present invention discloses a pixel circuit of an organic illuminated display device and a method for driving the pixel circuit; the pixel circuit comprises a first driving transistor, a second driving transistor, a storage capacitor, a coupling capacitor, and an organic light emitting diode (LED); the organic LED is driven by the first driving transistor. The method comprises the following steps: a. pre-charging: pre-charge the first drive transistor with pre-charge voltage, and holds the pre-charge voltage by means of the storage capacitor; b. storing a threshold voltage: the storage capacitor discharges the pre-charge voltage via the second drive transistor to the threshold voltage; c. writing grayscale data voltage: charge grayscale data voltage for the first drive transistor via the coupling capacitor, wherein, the grayscale data voltage is superimposed on the threshold voltage, and held by the storage capacitor. The pixel circuit and the driving method for the pixel circuit provided in the present invention can effectively suppress drifting of TFT property of the OLED unit in the organic illuminated display device, and thereby prolong the service life of the device.

The invention provides an OLED display panel and a manufacturing method thereof. Through arranging a red light-shielding color block which totally covers an active layer above an IGZO TFT, influence of high-energy blue light which is incident from top of the IGZO TFT to the active layer of IGZO can be reduced, thereby preventing generation of photogenerated leakage current, ensuring characteristics of the IGZO TFT, and sustaining normal operation of the IGZO TFT. Furthermore because the red light-shielding color block which covers the active layer only blocks the high-energy shortwave blue light which affects the active layer of the IGZO TFT, the light in other wave bands can penetrate through normally, aperture rate of the light emitting area of the OLED display panel is not affected.

Discussed herein are an OLED display device and a method of driving the same. The OLED display device includes according to an embodiment an organic light-emitting diode; a driving transistor involved in driving the organic light-emitting diode and including a bottom gate electrode, an oxide semiconductor layer, a source electrode, a drain electrode and a top gate electrode; a first switching transistor electrically connected to the bottom gate electrode of the driving transistor and involved in transmitting a data voltage to control the driving transistor; a storage capacitor electrically connected to the bottom gate electrode and involved in charging the data voltage; a second switching transistor configured to store a threshold voltage in the storage capacitor; a compensating transistor directly connected to the top gate electrode of the driving transistor to compensate for a deviation in the threshold voltage of the driving transistor; and a compensating capacitor disposed between the source electrode of the driving transistor and a source electrode of the compensating transistor and storing the threshold voltage therein.

The invention discloses an array substrate, a preparation method thereof, a fingerprint recognition method and a display device. The array substrate comprises a substrate body, multiple pixel units and multiple fingerprint recognition units, wherein the pixel units and the fingerprint recognition units are located in a display region of the substrate body. By arranging the fingerprint recognitionunits in the display region of the array substrate and making orthographic projection of through holes in the fingerprint recognition units on the substrate body not overlap with orthographic projection of the pixel units and all wires connected with the pixel units on the substrate body, sheltering of the fingerprint recognition units by all films of the pixel units is avoided while the apertureratio of the array substrate is not influenced, and therefore it is convenient for the array substrate to achieve a fingerprint recognition function.

The invention provides a TFT array substrate structure. A patterned metal shielding layer (100) comprises a plurality of metal shielding blocks (101) and a metal narrow strip (102), wherein the plurality of metal shielding blocks (101) are arranged in an array form; the metal narrow strip (102) is connected with two adjacent metal shielding blocks (101); the metal shielding layer (100) and a common electrode (60) are connected to a common voltage signal (COM); aiming at each TFT (90), a pixel electrode (80) is in contact with a drain (92) of the TFT (90), so that the opposite overlapping parts of the pixel electrode (80) and the common electrode (60) form a first storage capacitor (Cst1); the opposite overlapping parts of the metal shielding layer (100) and the drain (92) and the pixel electrode (80) form a second storage capacitor (Cst2); the first storage capacitor (Cst1) and the second storage capacitor (Cst2) form a parallel relationship; the capacity of the storage capacitors can be increased; the metal shielding layer (100) is located in a shielding region; and the aperture ratio is not affected by improvement of the metal shielding layer (100).

The invention discloses a touch display panel and a display device. The touch display panel comprises a waveguide plate, a lower substrate, a liquid crystal layer, an electrode structure, a reflecting layer and a plurality of photosensitive units, wherein the waveguide plate and the lower substrate are arranged opposite to each other, and the liquid crystal layer and the electrode structure are arranged between the waveguide plate and the lower substrate; the reflecting layer is arranged on one side, facing to the liquid crystal layer, of the lower substrate, and the photosensitive units are arranged on one side, facing to the liquid crystal layer, of the lower substrate or one side, facing to liquid crystal layer, of the waveguide plate; and the electrode structure is used for controlling the refractive index of liquid crystal molecules in the liquid crystal layer so as to emit light from the lower surface, close to the liquid crystal layer, of the waveguide plate or generate total reflection in the waveguide plate. The reflecting layer is generally prepared from metals with high refractive indexes, so that the opening rate of the touch display panel is not influenced when the photosensitive units are integrated to the lower substrate or the waveguide plate; and furthermore, the photosensitive units can be used for judging a touch position according to the energy difference of received light under a touch condition and a normal display condition, so that the touch function is realized, and meanwhile, the opening rate of the touch display panel is guaranteed.

The invention provides a color film substrate, a production method thereof and a liquid crystal panel with the color film substrate. The production method of the color film substrate includes the following steps: 1) base pads are arranged at design positions of spacers on a first substrate; 2) the spacers are respectively arranged on the base pads and at other design positions of the spacers without the base pads on the first substrate to form spacers with different heights; or the base pads have two or multiple different heights, and the spacers are respectively arranged on the base pads with the different heights to form the spacers with the different heights. By the production method, various height differences of the spacers can be formed, and production cost is low.

The invention discloses an array substrate, a liquid crystal panel and a liquid crystal displayer, wherein the array substrate comprises a first lining substrate, and grating lines and data wires that form a plurality of pixel units in a surrounding way; each pixel unit comprises a first electrode with a narrow seam, a second electrode and a thin-film transistor switch; the first electrode and the second electrode are used for forming electric field that can drive the liquid crystal molecules, wherein the first electrode comprises more than two independent regions; the grating lines and the thin-film transistor switch are arranged among the patterns in all regions of the first electrode; the thin-film transistor switch comprises a grid electrode, a source electrode and a drain electrode; the grid electrode is connected with the grating lines; the source electrode is connected with the data wires; and the drain electrode is connected with all regions respectively. In the invention, theregions of the first electrode with different inclination direction of narrow seams can be divided by the grating lines and the thin-film transistor switch, so that the liquid crystal molecule regions with disorganized deflection can be blocked by the black matrix and the displaying quality of wide visual angle can be improved.

A pixel structure comprises a standby thin film transistor and a working thin film transistor. A grid electrode or drain electrode of the standby thin film transistor is preserved as an independent metal electrode. When a bad pixel appears, the standby thin film transistor substitutes for the working thin film transistor, and then the bad pixel can be recovered as a normal pixel. The repairing method of the present invention is that: the drain electrode of the working thin film transistor with the bad pixel appearing is cut off from an electric pathway of a pixel electrode; the grid electrode of the standby thin film transistor is electrically connected with a scanning line or with the pixel electrode, so as to replace the working thin film transistor.

The basal plate of film transistor array includes following parts: multiple gated scanning wires extended along first direction; multiple data wires extended along second direction, pixel area formed between crossed gated scanning wires and data wires; thin film transistors and pixel electrodes setup inside pixel area; being distributed on two sides of data wires, inner and outer sided shading wires formed on same metal layer to the gated scanning wires; there is at least one lug at one end of the outer shading wire or data wire, and the lug makes overlap between data wire and outer sided shading wire; the other end of outer sided shading wire and one end of repairing wire crossing gated scanning wire are overlapped; the other end of the repairing wire and the repairing pad overlapped with gated scanning wire are overlapped. The invention can be in use for repairing defects of open circuit and short circuit of data wires.

The invention discloses a built-in touch screen and a display device. The built-in touch screen and the display device are used for solving the problem that mutual interference exists between a touch control signal and an image display signal and meanwhile, improving an aperture ratio of the built-in touch screen. The built-in touch screen comprises a colored membrane substrate arranged opposite to a box and an array substrate. Multiple sub pixel units arranged in a matrix mode are arranged on the array substrate. The built-in touch screen further comprises multiple touch inductance electrodes which are arranged on the colored membrane substrate in the column direction of the sub pixel units and multiple touch drive electrodes which are arranged on the array substrate in the row direction of the sub pixel units. A sub pixel unit set is formed by every two adjacent rows of sub pixel units. Two grid lines which provide grid signals for the two adjacent rows of sub pixel units receptively are arranged between the two adjacent rows of sub pixel units. The touch drive electrodes are arranged on non-display zones among the sub pixel unit sets.

The invention relates to a multi-domain vertical orientation mode liquid crystal display device. The liquid crystal display device comprises a colorful film basal plate and an array basal plate, wherein each pixel on the array basal plate comprises a first pixel electrode and a second pixel electrode which are connected with a current line grid line through a first thin film transistor and a second thin film transistor respectively. Each pixel also comprises a third thin film transistor; a grid of the third thin film transistor is connected with a next line grid line; a drain electrode is connected with the second pixel electrode; and a source electrode is connected with a current line common electrode line. The aspect ratio of the first or second thin film transistor is higher than that of the third thin film transistor. The multi-domain vertical orientation mode liquid crystal display device can improve the side visibility without impacting the opening rate.

The invention provides a liquid crystal display device for improving the phenomenon of color cast; storage capacitors of two subpixels in a pixel are in electric connection with the next scanning line and the one after the next respectively; through a driving signal of the scanning line, the voltage of the storage capacitor is modulated to allow two subpixels to have different driving voltages respectively, thereby improving the problem of the color cast of a squint angle.

The invention discloses an array substrate, a liquid crystal display panel and a display device. The array substrate comprises a substrate, a plurality of pixel units arranged on the substrate, a driving module for providing displaying signals to each pixel unit and a photovoltaic cell pack electrically connected with the driving module, the photovoltaic cell pack comprises a plurality of photovoltaic cells, each of the photovoltaic cells comprises a first transparent electrode, a photovoltaic thin film and a second transparent electrode, and the orthographic projection of the photovoltaic thin film on the substrate is inside a shading area. Since the photovoltaic cell pack electrically connected with the driving module is arranged in the array substrate, the photovoltaic cell pack can be utilized to convert luminous energy in the shading area into electric energy, and outputs the electric energy to the driving module for use, the luminous energy in the shading area can be effectively utilized to increase using rate of luminous energy by the array substrate. Since the orthographic projection of the photovoltaic thin film on the substrate is inside the shading area, aperture opening rate of each pixel unit in the array substrate is not affected.

Provided is a liquid crystal display panel. In the liquid crystal display panel, a display area and a non-display area surrounding the display area are defined. The liquid crystal display panel comprises a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer clamped between the first substrate and the second substrate and a temperature control device. The first substrate comprises a shading part located on the display area. The temperature control device comprises a heating element for heating the liquid crystal display panel. The position of the heating element corresponds to the shading part. By adding the heating element, the liquid crystal display panel can still have good display effects in the low-temperature environment. Since the heating element corresponds to the shading part, the aperture ratio of the liquid crystal display panel is not affected.

The invention relates to a touch display panel, which comprises a first substrate, a second substrate and a display medium layer. The first substrate is provided with a plurality first scanning lines, a plurality of second scanning lines, a plurality of data lines, a plurality of first pixel structures, a plurality of second pixel structures, a plurality of common electrode wires, a plurality of reading lines and a plurality of photosensitive thin film transistors. The plurality of reading lines are arranged on the first substrate and each reading line is positioned between two adjacent data lines. The plurality of photosensitive thin film transistors are arranged on the first substrate, wherein each photosensitive thin film transistor is electrically connected with one of the common electrode wires, one of the reading lines and one of the first pixel structures; or each photosensitive thin film transistor is electrically connected with one of the common electrode wires, one of the reading lines and one of the second pixel structures.

The invention relates to a multi-domain vertical orientation type liquid crystal display device and a manufacturing method thereof. The liquid crystal display device comprises a first basal plate and a second basal plate which are arranged oppositely, a liquid crystal layer which is filled between the first basal plate and the second basal plate, a pixel electrode which is formed on the first basal plate, and a common transparent electrode which is formed on the second basal plate, wherein the pixel electrode comprises a first pixel electrode and a second pixel electrode which are partially laminated and are electrically insulated from each other, and an insulation film is arranged between the first pixel electrode and the second pixel electrode. The multi-domain vertical orientation type liquid crystal display device and the manufacturing method thereof can realize multi-domain display through capacitance coupling without impacting the opening rate.

The invention belongs to the field of display technology, in particular to a color film substrate, a manufacturing method thereof, a display panel and a display device. The color film substrate comprises a substrate and a color filter layer arranged on the substrate. The color filter layer comprises color fitter units which are of at least two colors and distributed in an array. A black matrix is between adjacent color fitter units. A flat layer is arranged on the color filter layer. Grooves corresponding to black matrixes are arranged on the flat layer. Light-blocking layers are arranged in the grooves. Due to the light-blocking layers, mix-color light is blocked so that one color can be observed at the lateral angle so that color mixture and light leakage are solved.

The invention discloses an electroluminescent display panel, which comprises a blue electroluminescent element, a red electroluminescent element, a green electroluminescent element, a first power line electrically connected with the blue electroluminescent element, a second power line electrically connected with the red electroluminescent element, and a third power line electrically connected with the green electroluminescent element. The first power line has a first wire width, the second power line has a second wire width, the third power line has a third wire width, wherein the first wire width is greater than the second wire width, and the first wire width is greater than the third wire width. The invention also discloses a pixel structure of the electroluminescent display panel.

The invention provides a display panel and a manufacturing method thereof. The display panel comprises a first substrate, a second substrate, liquid crystal arranged between the first substrate and the second substrate, a first alignment film arranged on the surface, close to the liquid crystal, of the first substrate and a second alignment film arranged on the surface, close to the liquid crystal, of the second substrate, wherein the first substrate and the second substrate which are arranged oppositely, the long axes of liquid crystal molecules respectively close to the first substrate and the second substrate are opposite with respect to the initial inclination direction of the plane where the first substrate is located. Therefore, the difference of liquid crystal delay quantity can bevery well compensated, thus a color castphenomenon is improved, a viewing angle is increased, and the display quality is improved. In addition, a transverse slit electrode can be still adopted, so that the aperture opening ratio of the display panel is not affected.

The invention discloses an AMOLED array basal plate. The AMOLED array basal plate comprises a plurality of pixel structures formed on a substrate basal plate in an array mode; each pixel structure is formed by encircling a grid line and a signal line and a power supply line which are vertical to the grid line; each pixel structure comprises a thin film transistor structure, an anode, a cathode and an organic lighting layer between the anode and the cathode; each anode is positioned at the area corresponding to each pixel structure; each cathode is a transparent electrode covering the whole array basal plate; an insulation interval layer is formed between the anodes and the cathodes, corresponding to a non-pixel structural area; the anodes, the organic lighting layers and the cathodes form an organic light emitting diode; the grid lines, the signal lines and the power supply lines jointly drive the light emitting diode to light by the thin film transistor structures; the AMOLED array basal plate is characterized by also comprising at least one cathode auxiliary line at the same layer with the anodes and positioned at the corresponding area of the grid lines, the signal lines and the power supply lines. The cathode auxiliary line penetrates through at least two via holes of the insulation interval layer to be connected with the cathodes. Under the condition that the aperture ratio is not influenced, the cathode resistance is reduced.

Embodiments of the invention disclose a display substrate, a display panel and a display device. The display substrate comprises a display area and a non-display area surrounding the display area. The display substrate further comprises a first flexible substrate, a plurality of pressure sensors that are arranged on the first flexible substrate and are in the display area, and a second flexible substrate that is arranged at one side, far from the first flexible substrate, of the pressure sensors, wherein the second flexible substrate covers the pressure sensors. Through adoption of the above technical solution, the pressure sensors are arranged in the display area, so that when the display area is touched, the pressure sensors in the display area are ensured to deform greatly according to a touch pressure, and the pressure detection sensitivity is ensured; the second flexible substrate covers the pressure sensors, so that the pressure sensors arranged in the display area fail to affect the opening rate of the display substrate; and two layers of flexible substrate ensure high deformation, improve deformation of the pressure sensors between two layers of flexible substrates, and improve the pressure detection sensitivity.

The invention discloses an embedded type touch screen, a driving method thereof and a display device. The embedded type touch screen can be subjected to touch control under the condition that the pixel aperture ratio is not influenced. The embedded type touch screen comprises a plurality of touch control electrodes and a shading structure; the shading structure comprises a plurality of first shading strips parallel to a first direction and a plurality of second shading strips parallel to a second direction; the first direction is vertical to the second direction; the first shading strips have conductivity; the touch control electrodes are in one-to-one correspondence and electric connection with the first shading strips, respectively.

The invention relates to an in-cell touch display panel including a thin film transistor array substrate, a color filter substrate, a liquid crystal molecule layer, sensing driving electrodes and touch control sensing electrodes. The liquid crystal molecule layer is disposed between the thin film transistor substrate and the color filter substrate. The sensing driving electrodes are arranged in a first direction and disposed on the thin film transistor array substrate. The touch control sensing electrodes are arranged in a second direction and disposed on a surface of the color filter substrate farther away from the thin film transistor array. The data lines of a pixel array on the thin film transistor array are used as the sensing driving electrodes to cooperate with the touch control sensing electrodes to perform a touch sensing operation.

The invention discloses a packaging structure and a packing method of an organic light-emitting diode as well as a display device. The packaging structure comprises an organic light-emitting diode display area arranged on a substrate, a cathode pattern arranged on the display area, a first inorganic blocking layer arranged on the cathode pattern, an organic buffering layer positioned on the first inorganic blocking layer and a second inorganic blocking layer, wherein the edge of the organic buffering layer is electrically connected with the cathode pattern on the edge area of the display area; the edge of the second inorganic blocking layer is directly connected with the substrate at the edge area of the display area so as to coat all the other layers. The packaging structure disclosed by the invention has the advantages that since the organic buffering layer is conductive and transparent and the edge of the organic buffering layer is electrically connected with the cathode pattern on the edge area of the display area, the conductivity of the cathode pattern is increased, and furthermore the transmittance of package is not influenced, so that the IR drop is reduced under the condition of guaranteeing simple packaging process and no influence on the opening rate of the display device.

The invention discloses a top-luminescence OLED and a preparation method and a display apparatus thereof. A second electrode serving as a cathode in the OLED is composed of a semitransparent electrode layer and at least one non-transparent electrode layer electrically connected with the semitransparent electrode layer. Patterns arranged on the at least one non-transparent electrode layer right face gaps among determined pixel units of an organic material layer, so that the aperture opening ratio of the OLED is not affected; and the at least one non-transparent electrode layer electrically connected with the semitransparent electrode layer can reduce the square resistance of the semitransparent electrode layer, so that the current conduction capacity of the cathode of the OLED is improved. Further, the display perspective of the OLED can be controlled effectively by designing the patterns of the at least one non-transparent electrode layer, so that pictures can be viewed at specific angles, and the display security is guaranteed.

The invention discloses an array substrate and a display panel. The array substrate comprises a basal layer, a first metal layer and a second metal layer, wherein the basal layer includes a pixel opening area and dark space surrounding the pixel opening area, the first metal layer is located at one side of the basal layer and used for setting a scanning line and a repairing line repairing a touchcontrol line, and the second metal layer is located at the side, far from the basal layer, of the first metal layer and used for setting a data cable and the touch control line provided with at leasttwo laser repair points; the scanning line extends in a first direction, and both the data cable and the touch control line extend in a second direction, wherein the first direction is perpendicular to the second direction; orthographic projections of the repairing line, the data cable and the touch control line in the basal layer are located in the dark space, and orthographic projections of thelaser repair points in the basal layer are located in the orthographic projection of the repairing line in the basal layer. On the condition that the pixel opening rate and penetration rate are not influenced, the touch control line can be repaired with lasers, the array substrate and panel display get right, and the rate of finished product is improved.

The invention discloses a display panel and a display device. The display panel comprises a first substrate, a second substrate and a display dielectric layer, wherein the second substrate is arranged opposite to the first substrate, the display dielectric layer is arranged between the first substrate and the second substrate, the second substrate comprises a black matrix, the black matrix comprises multiple first strip-shaped units which extend in the first direction and multiple second strip-shaped units which extend in the second direction, the first strip-shaped units and the second strip-shaped units are crossed to define subpixels of the display panel, the first direction is perpendicular to the second direction, and both the first direction and the second direction are parallel to the plane in which the first substrate is located; the first substrate comprises multiple shielding walls which are arranged on the side, close to the second substrate, of the first substrate, and the orthographic projection of the shielding walls on the second substrate is located in the area in which the black matrix is located. According to the display panel and the display device, the problems are solved that great viewing angles of the display panel leak light and color crossing occurs in the display panel are solved.