74results about How to "Realize the fingerprint recognition function" patented technology

The embodiment of the invention provides a fingerprint operation prompting method. The fingerprint operation prompting method includes: determining if a fingerprint input location needs to be promoted or not; displaying a first prompting graph in a fingerprint detection effective zone if so, wherein the fingerprint detection effective zone is located in at least part of a display zone of a display screen; starting a fingerprint acquisition function, and acquiring fingerprint information in the fingerprint detection effective zone; and processing the acquired fingerprint information, and generating a fingerprint recognition processing result according to the fingerprint information. According to the embodiment of the invention, the prompting graph is displayed in the display zone corresponding to a fingerprint device, prompting of the fingerprint recognition location can be completed without affecting the integrity of the display screen, and a fingerprint recognition and processing function can be achieved.

The embodiment of the invention discloses a display screen. The display screen comprises a main display area and a subsidiary display area, and the subsidiary display area is a transparent display area so as to bring convenience to an optical fingerprint module at the rear side of the display screen to collect a fingerprint on the subsidiary display area. The display screen can achieve a display effect of a large screen picture. In addition, the invention further relates to a display screen component with the display screen and a terminal.

The invention relates to a self-illumination display pixel. The self-illumination display pixel comprises a self-illumination circuit; the self-illumination circuit comprises a self-illumination device; the self-illumination display pixel further comprises an optical fingerprint sensing circuit; the optical fingerprint sensing circuit comprises a first TFT device and a photosensitive device; and a channel layer of the first TFT device is just below the photosensitive device. By means of the self-illumination display pixel, a fingerprint sensing function can be realized; and furthermore, the integral structure is optimized.

The invention discloses a pixel circuit, a driving method thereof and a display panel. The pixel circuit comprises a resetting module, a data writing-in module, a compensating module, a light emittingcontrol module, a storage capacitor, a driving module, a light emitting component, a photosensitive sensor and a photosensitive sensor control module. All the modules cooperate with one another to achieve a display function and a fingerprint recognition function, and therefore the function of the pixel circuit is added.

The invention provides a mutual capacitive fingerprint identification device, a preparation method, a display panel and a display device. The ability of fingerprint identification is improved. The mutual capacitive fingerprint identification device provided by the invention comprises a glass substrate, a glass cover, a drive electrode and a sensing electrode, wherein the drive electrode and the sensing electrode are located between the glass substrate and the glass cover. The drive electrode and/or the sensing electrode have/has a curved surface structure.

The embodiment of the invention provides a display substrate and a manufacturing method thereof. The display substrate comprises a substrate and a plurality of pixel units disposed on the substrate, wherein the pixel unit includes a light-emitting structure layer and a fingerprint identification structure layer; the light-emitting structure layer includes a light-emitting unit and a light-emittingdriving circuit; the fingerprint identification structure layer comprises a fingerprint identification sensor for forming a fingerprint electrical signal; the fingerprint identification sensor comprises a piezoelectric film layer; the piezoelectric film layer is located between the light-emitting unit and the light-emitting driving circuit and covers the pixel unit; the light-emitting unit is connected to the light-emitting driving circuit through the piezoelectric film layer. The display substrate of the invention covers the entire pixel unit with the piezoelectric film layer, not only realizes an OLED display device having an embedded fingerprint identification function, but also realizes a fingerprint identification function in a display area.

The embodiment of the invention provides a display panel and a display device. The display panel comprises a display area and a non-display area, wherein a fingerprint recognition driving chip and a display driving chip are arranged in a non-display area of the display panel; a plurality of pixels arranged in an array mode are arranged in a display area on one side of a substrate of the display panel, and fingerprint recognition elements and fingerprint recognition driving circuits electrically connected with the fingerprint recognition elements are arranged in gaps between the pixels; the display area of the display panel further comprises a common electrode layer; the common electrode layer comprises a common electrode of each pixel and a first electrode of each fingerprint recognition element, and the first electrodes of the fingerprint recognition elements are insulated from the common electrodes of the pixels; a first electrode of the fingerprint recognition element and a power supply signal input end and a scanning signal input end of the fingerprint recognition driving circuit are electrically connected with the fingerprint recognition driving chip, and a second electrode ofthe fingerprint recognition element is electrically connected with the fingerprint recognition driving circuit; and the display driving chip is electrically connected with the common electrode.

The invention discloses an array substrate. The array substrate comprises a substrate body, a piezoelectric induction layer which is formed on the substrate body, an acoustic surface wave excitation electrode and an acoustic surface wave receiving electrode which are formed on the piezoelectric induction layer and a photosensitive resistance layer which is formed on the piezoelectric induction layer, and the photosensitive resistance layer is located between the acoustic surface wave excitation electrode and the acoustic surface wave receiving electrode. The invention further discloses a display panel and a display device which comprise the array substrate. The array substrate, the display panel and the display device use the acoustic surface wave excitation electrode and the acoustic surface wave receiving electrode with fast response, high sensitivity and small volume to realize a fingerprint recognition function, and can improve the fingerprint recognition speed and sensitivity.

The invention relates to the field of communication and discloses a terminal device and an operation method thereof. The terminal device includes a processor, a touch screen, and an optical device for acquiring a fingerprint image. The touch screen includes a fingerprint recognition area covering the optical device. The processor is used for detecting the capacitance value of the fingerprint recognition area. When the capacitance value changes, the optical device is started to acquire the fingerprint image. The processor is also used for controlling the terminal device to unlock when determining that the acquired fingerprint image matches a pre-stored fingerprint image. The invention also discloses the operation method of the terminal device. Compared with the prior art, the terminal device and the operation method thereof have following beneficial effects: there is no need to dig a hole in the terminal device such that the fingerprint recognition function of the terminal device is achieved; and dust, vapor and particles and the like outside are prevented from entering the interior of the terminal device.

The invention, which belongs to the technical field of displaying, discloses a display panel and a display device. The display panel comprises a display region including a plurality of grid lines, a plurality of data lines, a plurality of pixels, and a plurality of light sensing elements; the pixels include at least three sub pixels; and the grid lines and the data lines are intersected and insulated to limit sub pixel regions and the sub pixels are arranged in the sub pixel regions. The multiple pixels include fingerprint pixels including the light sensing elements; and the light sensing elements are at least located in two sub pixel regions. Compared with the prior art, the display panel has the following advantages: no fingerprint recognition module needs to be set additionally, so thatthe screen ratio is increased and the display effect of the full screen is realized; the light sensing elements are at least located in two sub pixel regions and thus can be large, so that light sensed by the light sensing elements is increased and thus the signal quantity of the light sensing elements is improved, the accuracy of fingerprint recognition is enhanced, and reduction of the displayquality of the display panel is avoided.

The invention discloses a fingerprint identification device, a driving method, a manufacturing method and a display device. The fingerprint identification device comprises a cover plate, and first electrodes, a light emitting layer, a second electrode and light sensors which are disposed above the cover plate and are arranged sequentially. The first electrodes are used for loading a first voltage when static electricity is produced at specific positions, corresponding to the first electrodes, of a finger. The second electrode is used for loading a second voltage. The light emitting layer is used for emitting light under the action of the voltage difference between the first voltage and the second voltage. The light sensors are used for converting the light emitted by the light emitting layer into a current, and the current is used to identify the fingerprints in the specific positions of the finger. The function of fingerprint identification is achieved by arranging the first electrodes, the second electrode, the light emitting layer and the light sensors on the cover plate. There is no need to open a hole in the cover plate. Thus, the manufacturing cost is reduced.

The embodiment of the invention discloses a photosensitive thin film transistor, a display panel and a display device. The photosensitive thin film transistor comprises: an active layer, wherein the active layer comprises a first doped region and second doped regions located on the two sides of the first doped region, the doping concentration of the second doped regions is larger than that of thefirst doped region, and the two second doped regions correspondingly form a source electrode and a drain electrode of the light-sensitive thin film transistor; and a grid electrode, wherein the grid electrode is located above the active layer, the area of the grid electrode is smaller than that of the first doped region, the vertical projection of the first doped region covers the vertical projection of the grid electrode, and the part, not shielded by the grid electrode, of the first doped region is used for adjusting photo-generated current generated by the photosensitive thin film transistor according to light reflected to the first doped region through the touch body. Through the technical scheme provided by the embodiment of the invention, fingerprint identification can be realized ina large-area range or even a full-screen range of the display panel.

The embodiment of the invention provides an ultrasonic sensor module, a display screen module and electronic equipment, and the ultrasonic sensor module comprises: a piezoelectric material layer whichcomprises a first region and a second region which are adjacent to each other; an electrode layer which is connected with the piezoelectric material layer, wherein the electrode layer is used for applying a driving signal to the piezoelectric material layer so as to drive a first region of the piezoelectric material layer to emit an ultrasonic signal with a first frequency and drive a second region of the piezoelectric material layer to emit an ultrasonic signal with a second frequency, and the first frequency is smaller than the second frequency. The ultrasonic sensor module can achieve a distance detection function and a fingerprint recognition function at the same time. Moreover, when the ultrasonic sensor module achieves distance detection and fingerprint recognition, ultrasonic signals can penetrate through the display screen module, so that a non-display area does not need to be independently arranged on the display screen module, and the screen-to-body ratio of the display screen module can be increased.

The invention provides a fingerprint identification module for a liquid crystal display panel, an array substrate, a manufacturing method of the array substrate and the liquid crystal display panel. The fingerprint identification module comprises an optical fingerprint identification sensor; and an insulating layer, wherein the insulating layer is arranged on the photosensitive surface of the optical fingerprint identification sensor, the insulating layer is in contact with the liquid crystal in the liquid crystal display panel, and the refractive index of the insulating layer is greater thanthe abnormal refractive index of the liquid crystal. When the fingerprint identification module is used in the liquid crystal display panel, more light reflected at the finger pressing position can beemitted into the optical fingerprint identification sensor, so that the utilization rate of reflected light during fingerprint identification is high, the detection precision of the optical fingerprint identification sensor is high, and the fingerprint identification function is well achieved; meanwhile, the direction of light emitted from the liquid crystal display panel is changed, so that thelight which should be emitted into the black matrix is emitted out of the liquid crystal display panel, the transmittance of the liquid crystal display panel is high, and a display picture is good.

The invention provides a touch control and fingerprint identification module, a manufacture method thereof, and an electronic terminal. The touch control and fingerprint identification module includes a first electrode layer, a second electrode layer, a processing chip, and an insulating layer as a spacing layer between the first electrode layer and the second electrode layer. The first electrode layer, as a first electrode layer of fingerprint identification and touch control, comprises a plurality of successively arranged first electrode lines. The second electrode layer, as the second electrode layer of fingerprint identification and touch control, comprises a plurality of successively arranged second electrode lines. The first electrode lines of the first electrode layer and the second electrode lines of the second electrode layer are arranged in a staggered way and are connected to the processing chip. The processing chip processes signals from the first electrode lines and/or the second electrode lines to obtain a fingerprint and/or touch position. The touch control and fingerprint identification module can save the key fingerprint module space of a conventional touch device, integrates a touch control function and a fingerprint identification function, and is more convenient in operation and higher in security performance.

The embodiment of the invention provides a display screen module and electronic equipment, relates to the field of electronic devices and the display screen module comprises a display panel and a light source assembly, the display panel is provided with a fingerprint recognition area, the light source assembly is located on the side, away from a display surface, of the display panel, the light source assembly comprises a circuit substrate, and a display light source and an infrared light source are arranged on the side, facing the display panel, of the circuit substrate; the packaging layer islocated on the side, facing the display panel, of the circuit substrate and covers the display light source and the infrared light source; the infrared receiving device is located on the side, closeto the display panel, of the packaging layer; the vertical projections of the infrared light source and the infrared receiving device on the display panel are located in the fingerprint identificationarea. According to the embodiment of the invention, the fingerprint identification structure does not occupy the space outside the display screen module any more, the screen-to-body ratio of the LCDscreen electronic equipment is improved, and full screen is easy to realize.

The embodiment of the invention discloses a fingerprint recognition module structure, a manufacturing method and terminal equipment. The fingerprint recognition module structure comprises a fingerprint recognition chip, a filter layer and a patterned rewiring layer, wherein the fingerprint recognition chip is provided with a first surface and a second surface opposite to the first surface; the filter layer is positioned above an induction area of the first surface of the fingerprint recognition chip; a silicon through hole is formed in the second surface of the fingerprint recognition chip, and the silicon through hole is exposed out of a wafer bonding pad positioned on the first surface; and the patterned rewiring layer is arranged on the second surface and extends into the silicon through hole so as to be electrically connected with the wafer bonding pad. Through the adoption of the technical scheme, a screen display effect cannot be influenced while fingerprint unlocking is realized, the thickness of the fingerprint recognition chip is reduced, and the unlocking success rate and screen area proportion are improved.