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Touch screen and elevator control box adopting touch screen

A technology of touch screen and control box, which is applied in the direction of electric digital data processing, input/output process of data processing, instruments, etc., and can solve the problems of cleaning and fire control of the control box, increasing the occupied area of ​​the control box, troublesome control of high-rise buildings, etc. , to achieve the effects of preventing major fires, high touch sensitivity and stability, perfect functionality and convenience

Inactive Publication Date: 2017-09-01
NANTONG YAO TELEI ELEVATOR PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to overcome the problems in the prior art that the control box adopts button control, which affects the aesthetics of the control box, increases the occupied area of ​​the control box, brings difficulty in cleaning and fire control of the control box, and troublesome control of high-rise buildings, this paper The invention provides a touch screen, the touch screen is an organic capacitive touch screen, which sequentially includes a protective glass layer, a polarizing plate, an upper glass, an electrode layer, a filter, a liquid crystal layer, a thin film field effect transistor layer, and a lower glass from outside to inside, The thin film field effect transistor layer is a tungsten-doped indium oxide thin film transistor, which sequentially includes a gate electrode, a PVP gate electrode dielectric layer, an Al source-drain electrode, a tungsten-doped indium oxide semiconductor film and a glass substrate from top to bottom

Method used

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  • Touch screen and elevator control box adopting touch screen
  • Touch screen and elevator control box adopting touch screen
  • Touch screen and elevator control box adopting touch screen

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0054] The preparation steps of the thin film field effect transistor 37 include:

[0055] Step 1: Deposit tungsten-doped indium oxide thin film on the glass substrate, using DC reactive magnetron sputtering coating process, sputtering current is 120mA, sputtering voltage 300-320V, sputtering at room temperature for 15min, to obtain the thickness of tungsten-doped indium oxide thin film 100nm;

[0056] Step 2: Prepare Al source-drain electrodes, using thermal evaporation process, when the vacuum degree is lower than 3×10-3Pa, turn on the evaporation power supply, heat the tungsten boat to evaporate Al, the evaporation current is 120mA, and the time is 1.5min to ensure that the prepared Al The electrode sheet resistance is less than 5Ω, the thickness is 100nm, and the resistivity is lower than 3×10-5Ω·cm;

[0057] Step 3: Prepare the PVP grid dielectric layer, dissolve polytetravinylphenol powder in absolute ethanol solution, stir until completely dissolved to obtain a solutio...

Embodiment approach

[0059] As a preferred embodiment, the first step includes the following steps:

[0060]Step 1.1: Immerse the glass substrate in an acetone ultrasonic bath for 10 minutes, then place it in fast-flowing warm water for 5 minutes, and finally wash it with deionized water for 5-10 minutes until a uniform water film is formed on the surface of the glass substrate;

[0061] Step 1.2: immerse the glass substrate in absolute ethanol and ultrasonically clean it for 15 minutes;

[0062] Step 1.3: Take out the glass substrate and place it in deionized water for ultrasonic cleaning for 10 minutes, then take out the glass substrate and dry it in a constant temperature oven at 120°C;

[0063] Step 1.4: Introduce argon and nitrogen, the total working pressure is 0.35Pa, keep the flow ratio of argon and nitrogen at 2:1, and use DC reactive magnetron sputtering to obtain the tungsten-doped indium oxide film with a thickness of 100nm .

[0064] This embodiment also provides an elevator control...

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Abstract

The invention discloses a touch screen and an elevator control box adopting the touch screen and belongs to the field of elevators. The touch screen is an organic capacitive touch screen, and sequentially comprises a protective glass layer, a polarizer, upper glass, an electrode layer, a light filter, a liquid crystal layer, a thin-film field-effect transistor layer and lower glass from outside to inside. The thin-film field-effect transistor layer adopts tungsten doped indium oxide thin film transistors and sequentially comprises a grid electrode, a PVP grid electrode dielectric layer, Al source and drain electrodes, a tungsten doped indium oxide semiconductor thin film and a glass substrate from top to bottom. The touch screen and the elevator control box have the beneficial effects that the thin-film field-effect transistor layer adopts the tungsten doped indium oxide thin film transistors, by means of the high touch sensitivity and stability of the transistors, the use effect of the touch screen is improved, and compared with a key-control control box, the characteristics of being complete in functionality, more intelligent and the like are achieved.

Description

technical field [0001] The invention relates to the field of elevators, in particular to a touch screen and an elevator control box using the touch screen. Background technique [0002] Touch screen is currently a simple, convenient and natural way of human-computer interaction. It endows multimedia with a new look and is a very attractive new multimedia interactive device. Touch screens are widely used in our country. In daily life, the business inquiries of banks and other departments: information inquiries on urban streets, household digital products such as tablet computers and mobile phone input operations; there are also applications on industrial control systems, such as in the production equipment of manufacturing enterprises. Used to replace buttons, indicator lights, digital tubes, and its practical application can be seen in many industries. [0003] The touch control box applied on the elevator introduces modern touch technology. By optimizing the existing cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B1/34B66B3/00B66B5/02B66B5/00G06F3/041G06F3/044
CPCB66B1/34B66B3/008B66B5/00B66B5/024G06F3/0412G06F3/044
Inventor 曹中崔恒东吕娟
Owner NANTONG YAO TELEI ELEVATOR PROD CO LTD
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