Touch screen and terminal device
A technology of touch screen and transmitter, which is applied in the direction of instruments, computing, electrical digital data processing, etc., and can solve problems such as effective positioning of untouchable objects, affecting user experience, and difficulty in ensuring the stability of the touch screen.
Active Publication Date: 2019-09-24
HISENSE COMML DISPLAY CO LTD
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Problems solved by technology
[0004] The existing infrared touch screen adopts the method of closely distributed infrared tubes at equal intervals. However, due to the unreasonable layout of the infrared tubes in this touch screen, the distribution of infrared light in the optical network is uneven, forming multiple large-area optical network holes. When the optical network cavity is too large, if the touching object falls into the blank area of the optical network cavity due to its small diameter, the touching object cannot be effectively positioned. If you want to reduce the optical network cavity area to achieve fine pen precision, Need to distribute more equidistant and closely distributed infrared tubes, the hardware cost is high and the stability of the touch screen is difficult to guarantee, which affects the user experience
Method used
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[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] In the field of touch technology, touch control is mainly realized through a touch screen, wherein the touch screen includes at least one set of oppositely arranged frames provided with a signal transceiving pair tube, the signal transceiving pair tube includes a transmitting end and a receiving end, The way to set up the signal transceiving pair tubes on the opposite frame is...
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The invention provides a touch screen and a terminal device, relates to the technical field of touch control, and aims to improve the uniformity degree of light rays in a touch response area of the touch screen, effectively support a fine pen algorithm and reduce the production cost of the touch screen. The touch screen comprises at least one set of frames. Each set of frames comprises two oppositely-arranged frames, signal receiving and transmitting geminate transistors are arranged on the frames, each signal receiving and transmitting geminate transistor comprises a transmitting end and a receiving end, the transmitting ends and the receiving ends are arranged on the two opposite frames of the same set of frames respectively, and the receiving ends are used for receiving signals transmitted by the transmitting ends. The distribution mode of the signal receiving and transmitting geminate transistors on the touch screen meets the condition that the difference value between the maximum value and the minimum value of the adjacent side light ray distance between two adjacent groups of signal receiving and transmitting geminate transistors is smaller than or equal to a first threshold value. The touch screen is mainly arranged in a terminal device for realizing touch control by utilizing signal receiving and transmitting pair transistors.
Description
technical field [0001] The present invention relates to the technical field of touch control, in particular to a touch screen and a terminal device. Background technique [0002] With the continuous development of multimedia technology, touch screen is widely welcomed as a new type of input device. Users can realize the operation of the device by touching and clicking on the touch screen. The touch screen provides users with simpler and more convenient way of human-computer interaction. [0003] Among them, the infrared touch screen is to install infrared tubes around the screen, scan and detect continuously in the horizontal and vertical directions respectively, and use the working method of touching objects to block infrared light to carry out coordinate positioning, which is generally installed in front of the display. A circuit board frame, the transmitter of the infrared tube and the corresponding receiver are installed around the circuit board frame, the transmitter o...
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Login to View More IPC IPC(8): G06F3/042
CPCG06F3/0421
Inventor 吴明强王武军林小峰
Owner HISENSE COMML DISPLAY CO LTD