755results about How to "Improve touch sensitivity" patented technology

A system and method are disclosed that determines the location of an object touching a display screen. The system and method modifies already existing display technology, including using the underlying structure of many types of existing displays as the touch detecting structure. The systems and methods are applicable to virtually all LCD and LCD-like displays, including emissive displays (OLED, PLED, quantum dot displays, etc.), electronic paper, and others.

An exemplary touch panel device includes a substrate, an insulating layer form on a surface of the substrate, a plurality of first electrode groups and a plurality of second electrode groups. Each first electrode group includes a plurality of first electrodes and a plurality of first connecting wires each electrically connecting two adjacent first electrodes. Each second electrode group includes a plurality of second electrodes and a plurality of bridge connecting wires each electrically connecting two adjacent second electrodes. The first electrode groups and the second electrodes of the second electrode groups are alternately formed on a surface of the insulating layer away from the substrate. The bridge connecting wires are formed on the surface of the substrate contacting with the insulating layer.

A touch screen system includes a capacitive touch screen (1) including a plurality of row conductors (7-1,2 . . . n) and a column conductor (5-1). A plurality of cotemporaneous orthogonal excitation signals (S1(t), S2(t) . . . Sn(t)) are simultaneously driven onto the row conductors, respectively. The capacitively coupled signals on the column conductor may be influenced by a touch (10) on the capacitive touch screen. Receiver circuitry (50) includes a sense amplifier (21-1) coupled to generate an amplifier output signal (r1(t)) in response to signals capacitively coupled onto the column conductor. WHT-based circuitry (35) determines amounts of signal contribution capacitively coupled by each of the excitation signals, respectively, to the amplifier output signal.

A touch panel includes a plurality of first electrode patterns being serially connected by a plurality of first connection patterns; a plurality of second electode patterns being serially connected by a plurality of second connection patterns; and a plurality of routing lines; wherein at least two of the plurality of first electrode patterns are connected to at least one of the plurality of routing lines.

A method of forming a color filter touch sensing substrate integrates touch-sensing structures / elements of a touch panel into the inner side of the color filter substrate, which faces a thin film transistor substrate, and forms patterned assistant electrodes on the surfaces of the transparent sensing pads for decreasing the equivalent resistance of the touch-sensing structures / elements. Moreover, since an adjacent transparent conductive layer and an assistant electrode layer are patterned to form the transparent sensing pads and the patterned assistant electrodes, a simplified pattern-transferring process can be applied to the transparent sensing pads and the patterned assistant electrodes, or bridge structures can be formed from the assistant electrode layer for electrically connecting between some transparent sensing pads. Therefore, the forming process is simplified.

A touch panel structure is provided. The touch panel structure comprises a cover glass, a first transparent electrode and a light shielding element. The cover glass has a touch surface, a sensing surface corresponding to the touch surface, wherein the sensing surface is defined with a center area and a peripheral area surrounding the center area thereon. The first transparent electrode is formed on the cover glass, comes into contact with the sensing surface and is disposed in the center area correspondingly. The light shielding element is formed on the cover glass, comes into contact with the sensing surface and is disposed in the peripheral area correspondingly.

A mobile terminal which includes a terminal body; a display mounted to the terminal body; a window disposed to cover the display and including central and edge regions wherein the central region is formed of a transmissive material and configured to align with the display, and the edge region is formed of an opaque material and configured to surround the central region. The mobile terminal further includes a first touch sensor disposed to span at least the central region and configured to detect a touch input to the central region; and a second touch sensor disposed to span at least part of the edge region and configured to detect a touch input to the at least part of the edge region, wherein the second touch sensor is configured to have a higher touch sensitivity than the first in order to detect a touch input to the opaque edge region.

The present invention relates to a liquid crystal display device associated with a touch panel, the device includes a liquid crystal panel having opposite first and second substrates, and a liquid crystal layer formed between the first and second substrates, a plurality of driving electrodes arranged on an outer surface of the second substrate in one direction spaced from one another, a first polarizing plate formed on the outer surface of the second substrate including the driving electrodes, a third substrate opposite to the first polarizing plate, and a plurality of sensing electrodes formed on a surface of the third substrate opposite to the first polarizing plate perpendicular to the driving electrodes spaced from one another.

The invention provides a method for manufacturing a chromatic filter touch control base plate, in particular that a touch control sensing structure (element) in a touch control panel is integrated to one side where the chromatic filter touch control base plate faces to a thin film transistor base plate, and the surfaces of transparent sensing pads form patterned assistant electrodes to reduce the equivalent resistance value of the touch control sensing structure (element). Besides, because the invention utilizes a transparent conductive layer and an assistant electrode layer which are adjacent to form the transparent sensing pads and the patterned assistant electrodes, a simplified pattern transfer process can be utilized to manufacture the transparent sensing pads and the patterned assistant electrodes, or part of the assistant electrode layer is utilized to form a joint bridging structure which is arranged between parts of the transparent sensing pads to be used as electrical connection, and the goal of process simplification is reduced.

The invention discloses a touch control display panel and a touch control display device. The touch control display panel comprises a first substrate; a plurality of touch control electrode strips disposed on the first substrate, wherein the plurality of first touch control electrode strips comprise a plurality of complete touch control electrode strips and at least one special-shaped touch control electrode strip, the area of each special-shaped touch control electrode strip is smaller than that of each complete touch control electrode strip, each special-shaped touch control electrode strip comprises an electrode portion and a metal wiring portion, and each metal wiring portion and the corresponding electrode portion of the same special-shaped touch control electrode strip are parallelly connected; and a plurality of first touch control signal lines, wherein each first touch control signal line is electrically connected with the corresponding first touch control electrode strip. According to the embodiment, through parallelly connecting the electrode portion and the metal wiring portion of each special-shaped touch control electrode strip, resistance of the special-shaped touch control electrode strip is reduced, signal strength of touch control signals of each special-shaped touch control electrode strip is enhanced, and touch control sensitivity of the touch control display panel is increased.

A display device includes a plurality of first electrodes arranged on a substrate in parallel in a first direction; a plurality of second electrodes arranged in parallel in the first direction and a second direction crossing the first direction without contacting with the plurality of first electrodes; a plurality of first connecting wires, each first connecting wire being connected with at least one of the plurality of the first electrodes; and a plurality of second connecting wires, each second connecting wire connecting the second electrodes to each other in the second direction, wherein a touch driving voltage is supplied to the plurality of first connecting wires and a common voltage is supplied to the plurality of second connecting wires so that mutual capacitance is generated between the a plurality of first electrodes and the plurality of second electrodes.

The present application provides a capacitance detecting circuit and a touch detecting device, which can improve the sensitivity of capacitance detection. The capacitance detecting circuit includes afront end circuit and a processing circuit, wherein the front end circuit includes a first driving circuit, a first canceling circuit, and a PGA circuit, and the first driving circuit, the first canceling circuit, and the PGA circuit are all connected to the first end of the capacitor to be tested, the second end of the capacitor to be tested is grounded, the first driving circuit is used for charging and discharging the capacitor to be tested, and the first canceling circuit is used for canceling a base capacitor of the capacitor to be tested, the PGA circuit is configured to convert a capacitance signal of the capacitor to be tested after canceling the base capacitor into a voltage signal; and the processing circuit is connected to an output end of the front end circuit, and is used fordetermining a capacitance change amount of the capacitance of the capacitor to be tested relative to the base capacitor according to a voltage signal output by the front end circuit.

A touch panel display device includes a liquid crystal panel to display an image by regulating transmittance of light supplied from a back light unit, and a touch sensing part provided on upper edges of the liquid crystal panel in order to detect a position touched by a user or an object. The touch sensing part includes infrared lamps to generate and emit infrared light, infrared light reflecting tubes mounted with the infrared lamps, and image sensors to sense the infrared light output from the light output regions of the infrared light reflecting tubes. Each of the infrared light reflecting tubes has light output regions and non-output regions evenly formed at a surface facing an upper surface of the liquid crystal panel so that the infrared light emitted from the infrared lamps is evenly irradiated on the upper surface of the liquid crystal panel.

A touch sensor integrated type display device includes gate lines and data lines; a plurality of pixel electrodes respectively formed in pixel areas defined by crossings of the gate and data lines; a first electrode formed between first pixel electrodes and in parallel with a first gate line of the gate lines, the first pixel electrodes being adjacent to each other with the first gate line interposed therebetween; second electrodes formed between second pixel electrodes and arranged in a line in parallel with a second gate line adjacent to the first gate line, the second pixel electrodes being adjacent to each other with the second gate line interposed therebetween; and third electrodes, each of which is formed in parallel with the data lines and contacts the second electrodes, at least a portion of each of the third electrodes overlapping the first and second pixel electrodes.

The present invention provides a touch screen apparatus comprising a first light emitting unit for generating an optical signal for performing non-touch sensing, a second light emitting unit for generating an optical signal for performing touch sensing together with the non-touch sensing, an optical guide unit for guiding light emitted from the second light emitting unit, and a light receiving unit for receiving light emitted and changed by an object. Further, the present invention provides a method for inputting user information on a screen through context awareness, which can input user information in an accurate and convenient manner on the screen through the awareness of a variety of user contexts, and which can effectively prevent an erroneous operation caused by a contact of the palm of the user by ignoring the contact coordinates input by a means other than the finger of the user on the screen.

Provided is a keypad assembly used as a data input unit in various electronic devices. The keypad assembly includes a main board having one or more metal domes formed at predetermined positions on the main board, and a keypad disposed on the main board to apply a pressure on the metal dome and to be used as a touchpad according to a mode selection, the keypad includes a keytop layer having one or more keytops on which corresponding alphanumeric characters are formed, a touchpad layer disposed under the keytop layer; and a base layer disposed under the touchpad layer, and having one or more protrusions protruding from its bottom surface at the positions corresponding to the metal dome.

A liquid crystal display device having optical sensors, for sensing a touch, embedded in a liquid crystal panel to improve touch sensitivity is disclosed. The liquid crystal display device includes pixel regions spaced from each other on a first substrate, gate lines formed to separate the pixel regions in a first direction, driving voltage lines parallel to the gate lines, data lines formed between the pixel regions in a second direction intersecting the first direction, storage lines parallel to the driving voltage lines, read-out lines separated from neighboring data lines by one pixel region in the second direction, display transistors formed at intersections of the gate and data lines, pixel electrodes formed in the pixel regions, output switching transistors formed between the gate and read-out lines, capacitors formed between the output switching transistors and storage lines, and photo sensing transistors formed on the output switching transistors and storage lines.

A touch screen display device includes a first touch electrode, a second touch electrode and a conductive pattern. The first touch electrode receives a touch driving signal. The second touch electrode is positioned so as to be spaced apart from the first touch electrode. The conductive pattern is positioned so as to overlap with the first touch electrode, and receives a boost signal for boosting the touch driving signal. Accordingly, the touch driving signal is boosted, thereby improving touch sensitivity.

The invention discloses an organic light emitting diode display panel and display apparatus. The organic light emitting diode display panel comprises a substrate, and a display function layer arranged on the substrate, a retaining wall structure and a packaging thin film, and a touch functional layer on the packaging thin film, wherein the display function layer comprises multiple display signal routing lines which extend to the first sub peripheral region and multiple touch signal routing lines which extend to the second sub peripheral region; the second sub peripheral region and the first sub peripheral region are arranged in an overlapped manner in a direction perpendicular to the substrate to form an overlapping region; at least one part of the overlapping region is arranged between the retaining wall structure and a display region; and the touch signal routing lines in at least one part of the overlapping region are arranged on one side, deviating from the substrate, of the packaging thin film. The packaging thin film is arranged between the touch signal routing lines and the display signal routing lines in one part of the overlapping region in an isolating manner, so that signal interference in the overlapping region with the touch signal routing lines and the display signal routing lines is lowered, thereby improving the touch sensitivity of the organic light emitting diode display panel.

An integrated Silicon-OLED display and touch sensor panel is disclosed. The integrated Silicon-OLED display and touch sensor panel can include a Silicon substrate, an array of transistors, one or more metallization layers, one or more vias, an OLED stack, color filters, touch sensors, and additional components and circuitry. Additional components and circuitry can include an electrostatic discharge device, a light shielding, a switching matrix, one or more photodiodes, a near-infrared detector and near-infrared color filters. The integrated Silicon-OLED display and touch sensor panel can be further configured for near-field imaging, optically-assisted touch, and fingerprint detection. In some examples, a plurality of touch sensors and / or display pixels can be grouped into clusters, and the clusters can be coupled to a switching matrix for dynamic change of touch and / or display granularity.

Disclosed is a display device integrated with a touch sensor that may include a plurality of gate lines and a plurality data lines crossing each other; a plurality of pixel electrodes between the data lines; a plurality of touch / common electrodes arranged in a first direction and a second direction that cross each other, each of the plurality of touch / common electrodes overlapping at least one pixel electrode; 1-1 routing wires connected to 1-1 touch / common electrodes; 1-2 routing wires connected to 1-2 touch / common electrodes; 2-1 routing wires connected to 2-1 touch / common electrodes; and 2-2 routing wires connected to 2-2 touch / common electrodes.

Touch sensor panel configurations and methods for improving touch sensitivity of some or all of the electrodes or portions of the touch sensor panel are disclosed. The touch sensor panel configurations can allow increased speed at which the panel can operate. In some examples, the performance of a given touch electrode can differ from the performance of another touch electrode due to differences in capacitance and / or resistance. The performance of the touch sensor panel can be limited by the touch electrode with the lowest performance relative to the other touch electrodes. The configurations and methods can increase the performance of the touch sensor panel by minimizing the capacitive coupling and / or resistance of touch electrodes. Examples of the disclosure can provide configurations of touch sensor panels and methods for improving optical uniformity of the panel.

A touch sensor integrated type display device includes gate lines and data lines crossing over each other, pixel electrodes respectively formed in areas defined by crossing the gate lines and the data lines, first electrodes, each of which is formed between the pixel electrodes and in parallel with the gate line, the pixel electrodes being adjacent to each other with the gate line interposed therebetween, second electrodes formed in parallel with the data lines to overlap the pixel electrode, first routing wires connecting some of the first electrodes to form first electrode groups arranged in a first direction, second routing wires connecting another some of the first electrodes to form second electrode groups arranged in the first direction; and third routing wires connecting some of the second electrodes to form third electrode groups arranged in a second direction.

A touch screen is disclosed. The touch screen can include a touch panel and a display, where the display can have a conductive element coupled to or disposed along at least one side at a periphery of a conductive layer of the display. The conductive element can drive the conductive layer from multiple positions along the element to provide a grounding shield for the touch screen. The grounding shield can shunt display interference to ground rather than into the touch panel. The conductive element can also drive the conductive layer from multiple positions along the element, thereby providing an increased bandwidth, to quickly reach an appropriate voltage in association with the touch panel, consequently improving the touch sensitivity of the panel. The conductive element can include multiple configurations, e.g., a ring around a perimeter of the conductive layer, a partial ring around three sides of the periphery of the conductive layer, two elements on opposite sides at the periphery, and one element along one side at the periphery. The conductive element can be continuous or segmented.

The invention discloses an OLED touch display substrate, a manufacturing method for the substrate, a display panel and a display apparatus. The OLED touch display substrate comprises a positive electrode and a negative electrode located on a substrate, an organic luminous layer located between the positive electrode and the negative electrode, and a pixel definition layer provided with via holes;the negative electrode comprises multiple sub-negative electrodes insulated mutually; the sub-negative electrodes are multiplexed as touch electrodes; and the OLED touch display substrate further comprises touch signal lines electrically connected with the touch electrodes through the via holes in a one-to-one correspondence manner. The OLED touch display substrate is small in thickness and free of a touch blind area.

A touch sensor integrated type display device includes gate and data lines, pixel electrodes, and touch electrodes arranged in a matrix with a row direction and a column direction. The touch electrodes include 1-1, 1-2, 2-1, and 2-2 touch electrodes respectively connected to 1-1, 1-2, 2-1, and 2-2 touch routing wires. The 1-1 touch routing wire connect 1-1 touch electrodes and is arranged in the row direction. The 2-1 touch routing wires are respectively connected to 2-1 touch electrodes and arranged in the column direction. The 1-2 touch routing wire connects 1-2 touch electrodes and is arranged parallel to the 1-1 touch routing wire. The 2-2 touch routing wire connects 2-2 touch electrodes and is arranged parallel to the 2-1 touch routing wire.

A display device and a method of applying the same are introduced herein. A shielding layer is utilized to interpose between a transparent conductive layer of a touch element and a common electrode layer of a liquid crystal display (LCD) panel. With controlling variances of a first and a second control signals, a coupling current between the transparent conductive layer and common electrode layer can approach none, whereby influences of capacitive coupling effect between the common electrode layer or shielding layer and the transparent conductive layer of the touch element can be reduced. Thus, high touch accuracy of the touch element can be achieved and the noise can be eliminated simultaneously.

The invention discloses a touch-sensitive display panel, a composition for forming a sealant and the sealant. The touch-sensitive display panel comprises a first base panel, a second base plate, a touch-sensitive structure, a display medium and the sealant, wherein the touch-sensitive structure and the display medium are sealed between the first base panel and the second base panel by the sealant; and the sealant is formed by the polyreaction of the composition. The composition comprises the components by weight percent: 20 to 50% of bisphenol A epoxy acrylate monomer, 2 to 8% of acrylic acid monomer, 0.5 to 5% of light initiating agent and 1 to 5% of hardening agent. The chemical formula of the acrylic acid monomer is showed in the formula 1, wherein R1 is hydrogen or an alkyl radical with 1 to 3 carbon atoms and R2 is hydrogen or an alkyl radical with 1 to 20 carbon atoms.

Discussed is a touch screen panel including: a substrate; a first line electrode in a mesh pattern on the substrate; a plurality of first segment electrodes disposed on the first line electrode; a second line electrode in a mesh pattern on the substrate, and disconnected in an intersection area where the second line electrode is to intersect the first line electrode; a plurality of second segment electrodes disposed on the second line electrode; and a plurality of connection electrodes that connect the disconnected second line electrode in the intersection area, wherein the first and second line electrodes reduce resistance, and the first and second segment electrodes increase effective capacitance for sensing a touch to thereby reduce an RC-delay in the touch screen panel.

The invention discloses a horizontal electric field driving mode array substrate and a touch screen. The horizontal electric field driving mode array substrate comprises a substrate, a plurality of pubic electrode wires, a plurality of grid electrode wires and data wires, wherein the pubic electrode wires are formed on the substrate; the grid electrode wires are formed on the substrate; the data wires are cross with the grid electrode wires; in the touch period, the pubic electrode wires are used as sensing electrodes or driving electrodes; and the data wires or the grid electrode wires are used as driving electrodes or sensing electrodes. When the horizontal electric field driving mode touch screen disclosed by the invention is adopted, the technical manufacture process can be reduced, the production cost is effectively lowered, meanwhile, touch noise caused by a liquid crystal layer can be reduced, and the touch sensitivity can be effectively improved.