CN214253164U

CN214253164U - LCD display screen wireless keyboard capable of realizing high-efficiency power saving

Info

Publication number: CN214253164U
Application number: CN202120325650.9U
Authority: CN
Inventors: 李应和; 陈会光
Original assignee: Dakai Industry Dev Co ltd Shen
Current assignee: Dakai Industry Dev Co ltd Shen
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-21
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a can realize high-efficient power saving's LCD display screen wireless keyboard, include: the device comprises a shell, a singlechip, a power supply, an LCD display screen and a plurality of keys, wherein the singlechip and the power supply are arranged in the shell; the LCD display screen comprises a singlechip, at least two SEG interfaces and a COM interface, wherein the singlechip is provided with the at least two SEG interfaces and the COM interface, and an SEG electrode electrically connected with the SEG interfaces and a COM electrode electrically connected with the COM interface are arranged on upper and lower glass substrates of the LCD display screen; and the single chip microcomputer sends the working voltage VLCD of the LCD display screen to the SEG electrode and the COM electrode through the SEG interface and the COM interface respectively. The utility model discloses a set up a COM electrode and a plurality of SEG electrode, but a plurality of points in the simultaneous display one line to guarantee that a plurality of points are lighted simultaneously, the refresh rate is low, and limited reduction power consumption prolongs the live time of power, can effectively prevent to lead to the problem of display screen scintillation when refreshing simultaneously.

Description

LCD display screen wireless keyboard capable of realizing high-efficiency power saving

Technical Field

The utility model relates to a wireless keyboard field especially relates to a can realize LCD display screen wireless keyboard of high-efficient power saving.

Background

The upper right corner of the wireless keyboard is typically provided with three indicator lights for indicating the status of the keyboard. While the wireless keyboard is usually powered by dry batteries, the indicator light of the keyboard is in a lighting state and consumes much electricity when the keyboard is in a running state, if the indicator light is replaced by a display screen, the battery power can be saved, and more contents can be displayed at the same time, but the LCD display screen in the prior art is usually provided with a plurality of COM for scanning driving in order to reduce lead wires, for example, lighting one point needs one COM and one SEG (COM represents a scanning electrode and SEG represents a signal electrode), if a plurality of points in one line need to be simultaneously lighted, one COM and a plurality of SEG are needed, if a plurality of lines and a plurality of lines of points need to be lighted, in this state, when each line is lighted, other lines are in a dark state, and when other lines need to be lighted, refreshing is needed, the power consumption in the refreshing process is high, which causes the battery to be not durable, and simultaneously in the refreshing process, if the refreshing is slow, the problem of flicker exists, discomfort is caused when people look over the display screen, and the experience of the user is influenced.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, provide a wireless keyboard of an LCD display screen, which can realize high efficiency and power saving, and solve the problem of high power consumption of the wireless keyboard in the prior art; meanwhile, the problem that the LCD display screen of the wireless keyboard flickers to reduce the user experience is solved.

The technical scheme of the utility model as follows: an LCD display screen wireless keyboard capable of realizing high efficiency and power saving, which is characterized by comprising: the device comprises a shell, a singlechip, a power supply, an LCD display screen and a plurality of keys, wherein the singlechip and the power supply are arranged in the shell; the LCD display screen comprises a singlechip, at least two SEG interfaces and a COM interface, wherein the singlechip is provided with the at least two SEG interfaces and the COM interface, and an SEG electrode electrically connected with the SEG interfaces and a COM electrode electrically connected with the COM interface are arranged on upper and lower glass substrates of the LCD display screen; the single chip microcomputer sends LCD display screen working voltage VLCD to the SEG electrode and the COM electrode through the SEG interface and the COM interface respectively; the SEG electrode and the COM electrode are used for receiving the working voltage VLCD of the LCD display screen sent by the single chip microcomputer, driving the point to be lightened on the LCD display screen to be lightened and presenting a display state; the power supply, the single chip microcomputer and the LCD screen are electrically connected. Specifically, in the present invention, the range of the LCD panel operating voltage VLCD is 2.5V to 5V. A COM interface is arranged on the singlechip, COM electrodes are correspondingly arranged on the upper glass substrate and the lower glass substrate of the LCD display screen, the number of the SEG interfaces and the SEG electrodes can be set according to the display requirement of the LCD display screen, the information required to be displayed on the LCD display screen of the wireless keyboard is less, therefore, the requirement can be met by only arranging one COM electrode, the arrangement of one COM electrode and a plurality of SEG electrodes can simultaneously display a plurality of points in one line and ensure that the plurality of points are simultaneously lightened, that is, the corresponding icons displayed at a plurality of points can be displayed normally, and in the case of providing a scanning electrode, the refresh rate is extremely low, the problem of flicker caused during refresh can be prevented, meanwhile, a plurality of COM electrodes are arranged in a contrast manner, so that the problem of frequent scanning operation due to the fact that each line needs to be lightened is solved, power consumption is reduced to a limited extent, the service time of a power supply is prolonged, and the utilization rate of the power supply is improved.

Further, the LCD display screen wireless keyboard capable of realizing high efficiency and power saving further comprises: and the wireless module is in communication connection with the singlechip. The wireless module is used for realizing the communication connection between the wireless keyboard and the computer host.

Further, any one of the at least two SEG interfaces corresponds to one SEG electrode. The SEG interfaces and the SEG electrodes are in a corresponding one-to-one relation, and meanwhile, the COM interfaces and the COM electrodes are in a corresponding relation.

Furthermore, the single chip microcomputer is also used for reading the input value of the keyboard.

Further, the wireless module is a 2.4G RF module.

Further, the power supply is a dry battery. The power adopts the dry battery, and voltage is comparatively stable, and the good reliability guarantees wireless keyboard's normal operating, and the low price, and the practicality is strong.

Furthermore, the keys are divided into a main key area arranged on the shell, a functional key area arranged on the front side of the main key area and a digital key area; the LCD display screen is arranged on the upper side of the number keypad.

Adopt above-mentioned scheme, the utility model provides a can realize high-efficient power saving's LCD display screen wireless keyboard has following beneficial effect:

1. the power consumption of the power supply can be effectively reduced, the service life of the power supply is prolonged, and the service life of the power supply is prolonged;

2. the refreshing rate of the LCD display screen is reduced, the problem of flicker of the LCD display screen is prevented, and the experience of a user in the using process is improved;

3. simple structure, the realization of being convenient for, the practicality is strong.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a circuit diagram of the present invention;

FIG. 3 is a schematic structural view of the upper and lower glass substrates of the LCD panel of the present invention;

fig. 4 is a schematic structural diagram of the present invention.

Wherein: the device comprises a shell 1, a singlechip 2, an SEG interface 20, a COM interface 21, a power supply 3, an LCD display screen 4, SEG electrodes 40, COM electrodes 41, upper and lower glass substrates 42, a wireless module 5, keys 6, a main keypad 60, a functional keypad 61 and a numeric keypad 62.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-4, the present invention provides a wireless keyboard with LCD display screen capable of saving power efficiently, which comprises: the device comprises a shell 1, a singlechip 2 and a power supply 3 which are arranged in the shell 1, an LCD display screen 4 and a plurality of keys 6 which are arranged on the shell 1; the single chip microcomputer 2 is provided with at least two SEG interfaces 20 and one COM interface 21, and upper and lower glass substrates 42 of the LCD display screen 4 are provided with SEG electrodes 40 electrically connected with the SEG interfaces 20 and COM electrodes 41 electrically connected with the COM interfaces 21; the single chip microcomputer 2 sends the working voltage VLCD of the LCD display screen 4 to the SEG electrode 40 and the COM electrode 41 through the SEG interface 20 and the COM interface 21, respectively; the SEG electrode 40 and the COM electrode 41 are used for receiving the working voltage VLCD of the LCD display screen 4 sent by the singlechip 2, driving the point to be lighted on the LCD display screen 4 to be lighted and presenting a display state; the power supply 3, the singlechip 2 and the LCD display screen 4 are electrically connected. Specifically, the single chip microcomputer 2 is further configured to read an input value of the keyboard and output a content displayed on the LCD display screen 4 at the same time; the power supply 3 is a dry battery. The COM interface 21 is arranged on the singlechip 2, the COM electrodes 41 are correspondingly arranged on the upper glass substrate 42 and the lower glass substrate 42 of the LCD display screen 4, the number of the SEG interfaces 20 and the SEG electrodes 40 is eight, the SEG interfaces 20 correspond to the SEG electrodes 40 in a one-to-one relation, and meanwhile, the COM interfaces 21 correspond to the COM electrodes 41 in a corresponding relation.

Specifically, in this embodiment, the LCD display screen 4 wireless keyboard capable of achieving high efficiency and power saving further includes: and the wireless module 5 is in communication connection with the singlechip 2. The wireless module 5 realizes the communication connection between the wireless keyboard and the computer host; specifically, in the present embodiment, the wireless module 5 is a 2.4G RF module.

Specifically, in the present embodiment, 96 of the keys 6 are divided into a main keypad 60 installed on the housing 1, a functional keypad 61 disposed at the front side of the main keypad 60, and a numeric keypad 62; the LCD display 4 is disposed on the upper side of the number pad 62. The setting position of display screen is the setting position of pilot lamp among traditional wireless keyboard promptly, sets up in this position mainly for the convenience user looks over, and adapts to the operation habit in the user's use.

To sum up, the utility model provides a can realize high-efficient power saving's LCD display screen wireless keyboard has following beneficial effect:

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An LCD display screen wireless keyboard capable of realizing high efficiency and power saving, which is characterized by comprising: the device comprises a shell, a singlechip, a power supply, an LCD display screen and a plurality of keys, wherein the singlechip and the power supply are arranged in the shell; the LCD display screen comprises a singlechip, at least two SEG interfaces and a COM interface, wherein the singlechip is provided with the at least two SEG interfaces and the COM interface, and an SEG electrode electrically connected with the SEG interfaces and a COM electrode electrically connected with the COM interface are arranged on upper and lower glass substrates of the LCD display screen; the single chip microcomputer sends LCD display screen working voltage VLCD to the SEG electrode and the COM electrode through the SEG interface and the COM interface respectively; the SEG electrode and the COM electrode are used for receiving the working voltage VLCD of the LCD display screen sent by the single chip microcomputer, driving the point to be lightened on the LCD display screen to be lightened and presenting a display state; the power supply, the single chip microcomputer and the LCD screen are electrically connected.

2. The wireless keyboard of LCD display screen capable of realizing high efficiency and power saving as claimed in claim 1, further comprising: and the wireless module is in communication connection with the singlechip.

3. The wireless keyboard of claim 1, wherein any SEG interface of the at least two SEG interfaces corresponds to an SEG electrode.

4. The wireless keyboard with the LCD display screen capable of realizing high efficiency and power saving as claimed in claim 1, wherein the single chip microcomputer is further configured to read an input value of the keyboard.

5. The wireless keyboard of claim 2, wherein the wireless module is a 2.4G RF module.

6. The wireless keyboard with LCD display screen capable of realizing high efficiency and power saving as claimed in claim 1, wherein the power supply is a dry cell battery.

7. The wireless keyboard of LCD display screen capable of realizing high efficiency and power saving as claimed in claim 1, wherein, a plurality of said keys are divided into a main keypad installed on said casing, a functional keypad disposed at the front side of said main keypad and a numeric keypad; the LCD display screen is arranged on the upper side of the number keypad.