CN202332150U

CN202332150U - Liquid crystal display (LCD) screen with non-contact card swiping function

Info

Publication number: CN202332150U
Application number: CN2011205088701U
Authority: CN
Inventors: 梁毛鹞
Original assignee: SHENZHEN E-EYE HIGH TECH Co Ltd
Current assignee: SHENZHEN E-EYE HIGH TECH Co Ltd
Priority date: 2011-12-08
Filing date: 2011-12-08
Publication date: 2012-07-11
Anticipated expiration: 2021-12-08

Abstract

The utility model discloses a liquid crystal display (LCD) screen with a non-contact card swiping function, which comprises an LCD screen body and an LCD driving circuit board. The LCD screen is connected with the LCD driving circuit board through a data flat cable, the LCD driving circuit board is connected with a microprocessor through a data flat cable, and an LCD driving chip and a radio frequency identification device (RFID) read-write chip are welded on the LCD driving circuit board. The RFID read-write chip and an RFID antenna which forms a return circuit with the RFID read-write chip are arranged on the LCD driving circuit board for driving the LCD screen, and the LCD screen with the non-contact card swiping function utilizes the RFID read-write chip and the RFID antenna to read a non-contact card. Compared with the prior art, due to the fact that an RFID read-write area is located in an LCD screen area, the occupied area of the RFID read-write area coincides with the LCD screen, and the LCD screen with the non-contact card swiping function avoids the problem of cost increase caused by additional increase of the RFID read-write area and an RFID antenna mounting area, simultaneously reduces overall volume of a device, and reduces mounting difficulty.

Description

A kind of LCD screen that possesses the noncontact function of swiping card

Technical field

The utility model belongs to the LCD screen, and what be specifically related to is a kind of LCD screen that possesses the noncontact function of swiping card.

Background technology

LCD, or claim LCD (Liquid Crystal Display), being the display device of planar ultra-thin, it is made up of the colour or the monochrome pixels of some, is positioned over light source or reflecting surface the place ahead.The LCD power consumption is very low, therefore is applicable to the electronic equipment that uses battery.Its cardinal principle is to produce point, line, surface with the galvanism liquid crystal molecule to cooperate the back fluorescent tube to constitute picture.

Fast development along with electronic technology; LCD screen in the application in fields such as traffic, finance, electronic product, advertisement demonstration more and more widely; Especially the train automatic machine in the field of traffic, ATM in the financial field or the like all has application, and as also using the non-contact radio-frequency technology in these equipment; To realize recognition and verification, improve security performance to user identity.

But be similar at present in the equipment such as train automatic machine, ATM; LCD screen and noncontact IC card read/write device are two functional parts that separate separately; Contact between the two need realize through microprocessor, and for equipment itself, the increasing of functional part; The increase of the volume of equipment own will inevitably be caused, but also the complicacy of installation, the increase of cost can be caused.

The utility model content

In view of the above problems; The purpose of the utility model is to provide a kind of LCD screen that possesses the noncontact function of swiping card; Realization combines LCD screen and noncontact IC card read/write device, shows and the existing volume of noncontact function of swiping card equipment is big, complicacy is installed, problem that cost is high to solve to have at present.

For realizing above-mentioned purpose, the utility model mainly adopts following technical scheme:

A kind of LCD screen that possesses the noncontact function of swiping card; Comprise LCD screen, LCD driver circuit plate; The data winding displacement is connected between said LCD screen and LCD driver circuit plate, LCD driver circuit plate and the microprocessor, is welded with LCD chip for driving and RFID read-write chip on the said LCD driver circuit plate.

Also be provided with the RFID antenna on the wherein said LCD driver circuit plate, this RFID antenna is connected with the RFID read-write chip, and forms the loop.

Also be provided with the RFID antenna on the wherein said LCD driver circuit plate, this RFID antenna is positioned at the outside that LCD shields corresponding LCD driver circuit plate zone, and is connected to form the loop with the RFID read-write chip.

The utility model utilizes this RFID read-write chip and RFID antenna realization reading non-contact card through the RFID read-write chip being set and forming the RFID antenna in loop with this RFID read-write chip on the LCD driver circuit plate that is used to drive the LCD screen.Compared with prior art; Because the utility model RFID read-write zone is positioned at the LCD display zone; Therefore its shared zone reality overlaps with lcd screen, has avoided because of extra increase RFID read-write chip and RFID antenna mounting region the problem that the cost that is caused increases; Reduce the overall volume of equipment simultaneously, reduced mounting hardness.

Description of drawings

Fig. 1 is the system principle diagram of the utility model.

Fig. 2 is the theory diagram of the utility model preferred embodiment one.

Fig. 3 is the theory diagram of the utility model preferred embodiment two.

Identifier declaration among the figure: LCD wiring board 1, small size monochrome LCD screen 2, antenna 3, data winding displacement 4, large scale color LCD screen 5, data winding displacement 6, antenna area 7.

Embodiment

For setting forth the thought and the purpose of the utility model, will combine accompanying drawing and specific embodiment that the utility model is done further explanation below.

See also shown in Figure 1ly, Fig. 1 is the system principle diagram of the utility model.The utility model provides a kind of LCD screen that possesses the noncontact function of swiping card; Mainly through the LCD screen is combined with the non-contact RF ID recognition technology; Effectively improve the service efficiency of LCD screen; Improve its hommization, to reach the problem that the existing volume of display device is big, installation is complicated, cost is high that solution has display screen and noncontact function of swiping card at present.

Wherein system principle diagram mainly includes LCD screen, LCD driver circuit plate and microprocessor among Fig. 1; All be connected between said LCD screen and LCD driver circuit plate, LCD driver circuit plate and the microprocessor, be welded with LCD chip for driving and RFID read-write chip on the said LCD driver circuit plate through serial peripheral equipment interface bus; Said LCD chip for driving is connected with the LCD screen through serial peripheral equipment interface bus; Also be provided with the RFID antenna on the said LCD driver circuit plate, this RFID antenna is connected with the RFID read-write chip, and forms the loop.

As shown in Figure 2, Fig. 2 is the theory diagram of the utility model preferred embodiment one.It wherein in the present embodiment application on little monochromatic LCD screen.

It is LCD wiring boards 1 that the monochromatic LCD of present embodiment small-medium size shields 2 bottoms; One week of the outside at LCD wiring board 1 is an antenna 3; This antenna 3 forms the loop with the RFID chip that is arranged on the LCD wiring board 1, and LCD wiring board 1 also is connected to microprocessor through data winding displacement 4.

Because it is less that the monochromatic LCD of small size shields 2 areas, so its corresponding noncontact zone with radio-frequency card is limited, therefore need make itself and radio-frequency card can guarantee effective noncontact area as much as possible, so that reach the purpose of contactless identification.

As shown in Figure 3, Fig. 3 is the theory diagram of the utility model preferred embodiment two.It wherein in the present embodiment application on large scale color LCD screen.

To shield 5 bottoms are LCD wiring boards to the large scale color LCD in the present embodiment; The LCD wiring board is connected to microprocessor through data winding displacement 6; Correspondence position is provided with antenna area 7 on the LCD wiring board; These 7 corresponding can screens on 5 at LCD of antenna area form the corresponding region, so that the user places radio-frequency card (second generation I.D.).

Because what adopt is large scale color LCD screen 5, so the viewing area is enough big, need on this display screen, delimit the position that second generation I.D. is placed as the user in certain zone.

In addition, the utility model also can be used for Tachographs or GNSS (satnav) car-mounted terminal, through the non-contact reader-writer on the LCD screen on the Tachographs; To driver's management of swiping the card of getting on the bus; Typing driver identity information, and some data that this driver drives in this vehicle process are carried out record prevents driver's driving that violates the traffic regulations; Like hypervelocity, fatigue driving or the like; LCD screen then can be used for the driver information that shows that Tachographs writes down, car speed information, the prompting of time on date and some other state etc.

Adopt the LCD screen in the utility model, it adopts the LED screen also can reach same effect.

More than be that a kind of LCD screen that possesses the noncontact function of swiping card that the utility model is provided has carried out detailed introduction; Used concrete example among this paper the structural principle and the embodiment of the utility model are set forth, above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.

Claims

1. a LCD who possesses the noncontact function of swiping card shields; It is characterized in that comprising LCD screen, LCD driver circuit plate; All be connected between said LCD screen and LCD driver circuit plate, LCD driver circuit plate and the microprocessor, be welded with LCD chip for driving and RFID read-write chip on the said LCD driver circuit plate through the data winding displacement.

2. the LCD screen that possesses the noncontact function of swiping card according to claim 1 is characterized in that also being provided with the RFID antenna on the said LCD driver circuit plate, and this RFID antenna is connected with the RFID read-write chip, and forms the loop.

3. the LCD screen that possesses the noncontact function of swiping card according to claim 1; It is characterized in that also being provided with the RFID antenna on the said LCD driver circuit plate; This RFID antenna is positioned at the outside that LCD shields corresponding LCD driver circuit plate zone, and is connected to form the loop with the RFID read-write chip.