High-precision vehicle-mounted OLED-FPC

Abstract

The utility model, which relates to the technical field of the high-precision vehicle-mounted OLED-FPC, discloses a high-precision vehicle-mounted OLED-FPC comprising a pressure screen end golden finger, an EMI area, a two-dimensional code identification area, a pressure-sensitive double-sided adhesive tape area, a TP end plugging golden finger and a mainboard end plugging golden finger. The high-precision vehicle-mounted OLED-FPC is characterized in that the screen pressing end golden finger, the EMI area, the two-dimensional code recognition area, the pressure-sensitive double-sided adhesive tape area, the TP end plugging golden finger and the mainboard end plugging golden finger are electrically connected through the FPC board, and the expansion coefficients of the two groups of golden fingers at the screen pressing end after screen pressing are pre-compensated in a segmented manner through the screen pressing end golden finger; the sectional compensation and the span compensation between the two groups of golden fingers caused by the essential characteristics of the FPC board material are further compensated, so that the screen pressing golden fingers can be matched with the ITO (Indium Tin Oxide) of the OLED display screen glass after the bonding of the FPC board on the large-size OLED display screen glass, and the dimensional deviation after the screen pressing can be improved to 15 microns from the traditional 20 microns through the sectional compensation and the span compensation.

Description

TECHNICAL FIELD

[0001] The utility model relates to high precision vehicle -mounted OLED -FPC field especially relates to a kind of high precision vehicle -mounted OLED-FPC. BACKGROUND

[0002] With the rapid development of new energy intelligent driving technology, vehicle-mounted touch screen as the key part of human-vehicle information interaction occupies increasingly important position in high-end vehicle intelligent driving vehicle-mounted touch display field, especially in high-end vehicle, the mounting proportion of in-vehicle OLED display screen is increasing.

[0003] Compared with traditional LCD (liquid crystal display), OLED display screen has many significant advantages, for example, its picture quality and viewing angle are more outstanding, can realize light, natural curved surface design, more advantageous in ergonomic design, is widely considered as the ideal choice of vehicle-mounted display, simultaneously, the power consumption of OLED display screen is about 40% lower than LCD, which is of great significance to improve the endurance of electric vehicle, and because of this, the shipment of vehicle-mounted OLED panel presents obvious growth trend.

[0004] However, in the existing vehicle-mounted OLED display system, there are some problems to be solved in the FPC (flexible circuit board) used, first, in the traditional large-size FPC screen pressing end gold finger design, there is invalid empty PIN design in the middle, this design not only causes material waste, increases production cost, especially when using ACF for bonding connection, the invalid empty PIN bonding uses more ACF material, so that the cost is high, second, due to the characteristics of FPC material itself, after pressing screen operation, the size deviation between pressing screen gold finger and OLED display screen glass ITO is large, under the traditional technology, the size deviation after pressing screen is usually 20um, which will cause unstable signal transmission, affect the display effect and touch performance of vehicle-mounted OLED display screen, reduce the precision and reliability of product, in order to solve the above problems, we propose a kind of high precision vehicle -mounted OLED-FPC. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a kind of high precision vehicle -mounted OLED-FPC, which can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] The high-precision vehicle-mounted OLED-FPC comprises a pressing-screen-end gold finger, an EMI area, a two-dimensional code identification area, a pressure-sensitive double-sided adhesive area, a TP-end plug-in gold finger and a mainboard-end plug-in gold finger, the pressing-screen-end gold finger, the EMI area, the two-dimensional code identification area, the pressure-sensitive double-sided adhesive area, the TP-end plug-in gold finger and the mainboard-end plug-in gold finger are electrically connected through an FPC plate, the FPC plate is integrally formed by an upper plate, a first lower plate and a second lower plate, the pressing-screen-end gold finger is provided with two, the two pressing-screen-end gold fingers are respectively arranged on the two sides of the upper end of the upper plate, the EMI area and the pressure-sensitive double-sided adhesive area are arranged on the surface of the FPC plate, the two-dimensional code identification area is arranged on the upper plate, the mainboard-end plug-in gold finger is provided with two, one of the mainboard-end plug-in gold fingers is arranged at the lower end of the first lower plate, and the other mainboard-end plug-in gold finger is arranged at the lower end of the second lower plate, and the TP-end plug-in gold finger is arranged at the lower end of the upper plate.

[0008] Preferably, the pressing-screen-end gold finger is compensated by segmentation and span size, so that the pressing-screen gold finger can be matched with the OLED display screen glass ITO, the pressing-screen-end gold finger is connected with the OLED display screen glass through ACF bonding, so that the OLED display screen glass ITO and the pressing-screen-end gold finger are communicated with each other, and the pressing-screen-end gold finger is used for transmitting analog signals collected from the touchpad to the mainboard end for processing.

[0009] Preferably, the TP-end plug-in gold finger is connected with the TP control plate through a CON card, and the TP-end plug-in gold finger is used for transmitting analog signals collected from the OLED display screen to the TP control plate for processing.

[0010] Preferably, the mainboard-end plug-in gold finger is connected with the mainboard through a CON card, and the mainboard-end plug-in gold finger is used for transmitting digital driving and channel signals received from the mainboard to the OLED display screen driving polarizing plate through two pressing-screen-end gold fingers for imaging.

[0011] Preferably, the EMI area is used for connecting EMI and the FPC plate, and eliminating the excess electromagnetic waves generated by the FPC plate and the electromagnetic waves of external interference.

[0012] Preferably, the two-dimensional code identification area is used for storing text and two-dimensional code patterns to realize product quality traceability.

[0013] Preferably, the pressure-sensitive double-sided adhesive area is used for fixing and bonding the FPC plate on the structural member of the mainboard, the pressure-sensitive double-sided adhesive area is 0.05mm thick and is TESA68532 pressure-sensitive double-sided adhesive with a viscosity of 0.08N.

[0014] Compared with the prior art, the high-precision vehicle-mounted OLED-FPC has the following beneficial effects:

[0015] The high-precision vehicle-mounted OLED-FPC cancels the middle invalid empty PIN design by changing the traditional large-size screen pressing end gold finger design, thereby reducing the ACF material used for the middle invalid empty PIN bonding, and reducing the cost by 2%.

[0016] The high-precision vehicle-mounted OLED-FPC further compensates the span size between the two groups of gold fingers caused by the essential characteristics of the FPC plate material by respectively performing segmented pre-compensation on the expansion coefficients of the two groups of gold fingers after screen pressing at the screen pressing end, so that the screen pressing gold fingers can be matched with the OLED display screen glass ITO after the FPC plate is bonded on the large-size OLED display screen glass, and the size deviation after screen pressing can be increased from 20 um of the traditional to 15 um through the segmented compensation and span compensation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the high-precision vehicle-mounted OLED-FPC.

[0018] In the figure: 1, screen pressing end gold finger; 2, EMI area; 3, two-dimensional code identification area; 4, pressure-sensitive double-sided adhesive area; 5, TP end plug-in gold finger; 6, mainboard end plug-in gold finger; 7, FPC plate; 8, upper edge plate; 9, first lower edge plate; 10, second lower edge plate. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] For example, Figure 1As shown, a high-precision vehicle-mounted OLED-FPC includes a screen pressing end gold finger 1, an EMI area 2, a two-dimensional code identification area 3, a pressure-sensitive double-sided adhesive area 4, a TP end plug-in gold finger 5, and a mainboard end plug-in gold finger 6. The screen pressing end gold finger 1, the EMI area 2, the two-dimensional code identification area 3, the pressure-sensitive double-sided adhesive area 4, the TP end plug-in gold finger 5, and the mainboard end plug-in gold finger 6 are electrically connected through an FPC plate 7. The FPC plate 7 is integrally formed by an upper plate 8, a first lower plate 9, and a second lower plate 10. The screen pressing end gold finger 1 is provided with two screen pressing end gold fingers 1, which are respectively arranged at the upper ends of the two sides of the upper plate 8. The EMI area 2 and the pressure-sensitive double-sided adhesive area 4 are arranged on the surface of the FPC plate 7. The two-dimensional code identification area 3 is arranged on the upper plate 8. The mainboard end plug-in gold finger 6 is provided with two mainboard end plug-in gold fingers 6, one of which is arranged at the lower end of the first lower plate 9, and the other is arranged at the lower end of the second lower plate 10. The TP end plug-in gold finger 5 is arranged at the lower end of the upper plate 8.

[0021] In this embodiment, the screen pressing end gold finger 1 is pre-compensated in sections and the span size is compensated, so that the screen pressing gold finger can be matched with the OLED display screen glass ITO. The screen pressing end gold finger 1 is bonded to the OLED display screen glass through ACF, so that the OLED display screen glass ITO and the screen pressing end gold finger 1 are in communication with each other. The screen pressing end gold finger 1 is used to transmit the analog signal collected from the touch panel to the mainboard end for processing.

[0022] Specifically, by changing the design of the traditional large-size screen pressing end gold finger 1, the middle invalid empty PIN design is cancelled, thereby reducing the ACF material used for the middle invalid empty PIN bonding, and reducing the cost by 2%. The screen pressing end gold finger 1 is pre-compensated in sections to compensate the expansion coefficients of the two groups of gold fingers after screen pressing, and further compensates the span size between the two groups of gold fingers caused by the material intrinsic characteristics of the FPC plate 7. After the FPC plate 7 is bonded on the large-size OLED display screen glass, the screen pressing gold finger can be matched with the OLED display screen glass ITO. Through the pre-compensation in sections and the span compensation, the size deviation after screen pressing can be increased from the traditional 20um to 15um.

[0023] More specifically, the OLED display screen glass ITO and the screen pressing end gold finger 1 are in communication with each other through ACF bonding, and then the analog signal collected from the touch panel is transmitted to the mainboard end through the gold finger end for processing.

[0024] In this embodiment, the TP end plug-in gold finger 5 is connected to the TP control panel through a CON card. The TP end plug-in gold finger 5 is used to transmit the analog signal collected from the OLED display screen to the TP control panel for processing.

[0025] Specifically, by adopting the buckle mode, the TP end plug-in gold finger 5 can be buckled on the CON of the TP control panel, and then the TP end plug-in gold finger 5 can conveniently realize the transmission of the analog signals collected from the OLED display screen to the TP control panel for processing.

[0026] In the embodiment, the mainboard end plug-in gold finger 6 is clamped on the mainboard through the CON, and the mainboard end plug-in gold finger 6 is used to transmit the digital drive and channel signals received from the mainboard to the OLED display screen driving polarizing plate for imaging through the two pressure screen end gold fingers 1.

[0027] Specifically, by adopting the buckle mode, the TP end plug-in gold finger 5 can be buckled on the CON of the TP control panel, and then the TP end plug-in gold finger 5 can conveniently realize the transmission of the analog signals collected from the OLED display screen to the TP control panel for processing.

[0028] In the embodiment, the EMI area 2 is used to connect the EMI and the FPC plate 7, and eliminate the excess electromagnetic waves generated by the FPC plate 7 and the electromagnetic waves from the outside interference.

[0029] Specifically, by the design of the EMI area 2, the EMI and the FPC plate 7 can be conveniently connected, and then the shielding effect is achieved. Not only the excess electromagnetic waves generated by the FPC plate 7 and the electromagnetic waves from the outside interference can be eliminated through the ground wire, but also the influence of the external electromagnetic waves on the internal circuit and the external radiation of the internal generated electromagnetic waves can be shielded.

[0030] In the embodiment, the two-dimensional code recognition area 3 is used to store the text and two-dimensional code patterns to realize the whole-process traceability of product quality.

[0031] Specifically, by the design of the two-dimensional code recognition area 3, the product identity information can be stored in the form of text and two-dimensional code patterns, so as to realize the whole-process traceability of product quality.

[0032] In the embodiment, the pressure-sensitive double-sided adhesive area 4 is used to fix and bond the FPC plate 7 on the structural member of the mainboard, and the pressure-sensitive double-sided adhesive area 4 is 0.05 millimeters of TESA68532 pressure-sensitive double-sided adhesive with a viscosity of 0.08N.

[0033] Specifically, by the design of the pressure-sensitive double-sided adhesive area 4, the FPC plate 7 can be conveniently fixed and bonded on the structural member of the mainboard, and the pressure-sensitive double-sided adhesive is 0.05 millimeters of TESA68532 pressure-sensitive double-sided adhesive with a viscosity of 0.08N, which can ensure the stability, reliability of the component connection, and the quality and performance of the whole product.

[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-precision vehicle-mounted OLED-FPC, comprising a press screen end gold finger (1), an EMI area (2), a two-dimensional code identification area (3), a pressure-sensitive double-sided adhesive area (4), a TP end plug-in gold finger (5), and a mainboard end plug-in gold finger (6), characterized in that: The pressure screen end gold finger (1), EMI area (2), two-dimensional code identification area (3), pressure-sensitive double-sided adhesive area (4), TP end plug-in gold finger (5) and mainboard end plug-in gold finger (6) are electrically connected through the FPC board (7), the FPC board (7) is integrally formed by the upper plate (8), the first lower plate (9) and the second lower plate (10), the pressure screen end gold finger (1) is provided with two, the two pressure screen end gold fingers (1) are respectively arranged on the upper ends of the upper plate (8), the EMI area (2) and the pressure-sensitive double-sided adhesive area (4) are arranged on the surface of the FPC board (7), the two-dimensional code identification area (3) is arranged on the upper plate (8), the mainboard end plug-in gold finger (6) is provided with two, one of the mainboard end plug-in gold fingers (6) is arranged at the lower end of the first lower plate (9), and the other mainboard end plug-in gold finger (6) is arranged at the lower end of the second lower plate (10), and the TP end plug-in gold finger (5) is arranged at the lower end of the upper plate (8). 2.The high-precision vehicle-mounted OLED-FPC according to claim 1, characterized in that: The pressure screen end gold finger (1) is connected to the OLED display screen glass through ACF bonding, so that the OLED display screen glass ITO and the pressure screen end gold finger (1) are in communication, and the pressure screen end gold finger (1) is used for transmitting analog signals collected from the touchpad to the mainboard end for processing. 3.The high-precision vehicle-mounted OLED-FPC according to claim 1, characterized in that: The TP end plug-in gold finger (5) is connected to the TP control board through the CON card, and the TP end plug-in gold finger (5) is used for transmitting analog signals collected from the OLED display screen to the TP control board for processing.

4. The high-precision vehicle-mounted OLED-FPC according to claim 1, characterized in that: The mainboard end plug-in gold finger (6) is connected to the mainboard through the CON card, and the mainboard end plug-in gold finger (6) is used for transmitting digital drive and channel signals received from the mainboard to the OLED display screen drive polarizing plate through two pressure screen end gold fingers (1) for imaging.

5. The high-precision vehicle-mounted OLED-FPC according to claim 1, characterized in that: The EMI area (2) is used for connecting EMI and FPC board (7), and eliminating the excess electromagnetic waves generated by the FPC board (7) and the electromagnetic waves of external interference. 6.The high-precision vehicle-mounted OLED-FPC according to claim 1, characterized in that: The two-dimensional code identification area (3) is used for storing text and two-dimensional code patterns to realize product quality traceability. 7.The high-precision vehicle-mounted OLED-FPC according to claim 1, characterized in that: The pressure-sensitive double-sided adhesive area (4) is used for fixing and bonding the FPC board (7) on the structural member of the mainboard, the pressure-sensitive double-sided adhesive area (4) is 0.05mm, and the viscosity of the TESA68532 pressure-sensitive double-sided adhesive is 0.08N.

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