Combined screen and vehicle-mounted instrument

Abstract

The utility model discloses a combined screen which is provided with a stroke segment display area, a dot matrix display area and a non-display area, and the non-display area is located on the periphery of the stroke segment display area and the dot matrix display area. The combined screen comprises an upper base plate substrate, a lower base plate substrate and sealing frame glue, and the sealing frame glue is arranged between the upper base plate substrate and the lower base plate substrate and enables the upper base plate substrate and the lower base plate substrate to be oppositely bonded and fixed. The sealing frame glue is located on the non-display area so as to enclose and seal the stroke segment display area and the dot matrix display area; the stroke segment display area and the dot matrix display area are filled with liquid crystal materials respectively. The combined screen is not only small in thickness, but also short in assembly time. The utility model further discloses a vehicle-mounted instrument which comprises the combined screen.

Description

Technical Field

[0001] The utility model relates to display technology, in particular to a combined screen and a vehicle-mounted instrument. Background Art

[0002] With the evolution of automobile intelligent technology, some automobile instruments usually divide the display area of ​​the automobile instrument into two or three different display screens in order to make economical large-screen displays. The combination screen instrument composed of dot matrix display screen and segment display screen is widely used in the automobile industry.

[0003] The combination screen instrument in the prior art is mainly composed of a segment display screen and a dot matrix display screen. A protective cover is attached to the top of the segment display screen and the dot matrix display screen. Black ink is silk-screened except for the display areas of the segment display screen and the dot matrix display screen, thereby achieving the effect of combining the segment display screen and the dot matrix display screen together.

[0004] However, the combined screen instrument of the above structure is not only thick, but also the segment display screen and the dot matrix display screen need to be bonded to the protective cover plate through corresponding bonding processes respectively, and the assembly time is relatively long. Utility Model Content

[0005] In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a combined screen which is not only thinner in thickness but also shorter in assembly time.

[0006] The utility model also provides a vehicle-mounted instrument, comprising the above-mentioned combined screen.

[0007] The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0008] A combined screen has a segment display area, a dot matrix display area and a non-display area, wherein the non-display area is located on the periphery of the segment display area and the dot matrix display area; the combined screen comprises an upper base substrate, a lower base substrate and a sealing frame glue, wherein the sealing frame glue is arranged between the upper base substrate and the lower base substrate, and relatively adheres and fixes the upper base substrate and the lower base substrate; the sealing frame glue is located on the non-display area to enclose and seal the segment display area and the dot matrix display area; liquid crystal materials are respectively filled in the segment display area and the dot matrix display area.

[0009] Furthermore, the sealing glue is epoxy resin.

[0010] Furthermore, a lower electrode layer is provided on the surface of the lower substrate facing the upper substrate, and the lower electrode layer includes a plurality of segment electrodes located in the segment display area and a plurality of pixel electrodes located in the dot matrix display area; the plurality of segment electrodes are combined with each other in the segment display area to form a fixed display pattern; the plurality of pixel electrodes are arranged in a dot matrix arrangement in the dot matrix display area.

[0011] Furthermore, the upper substrate substrate is provided with a plurality of segment VCOMs on a surface on one side facing the lower substrate substrate in the segment display area, the plurality of segment VCOMs are combined with each other in the segment display area, and one segment VCOM corresponds to one segment electrode; the upper substrate substrate is provided with a plurality of VCOM blocks on a surface on one side facing the lower substrate substrate in the dot matrix display area, the plurality of VCOM blocks are arranged vertically and horizontally in the dot matrix display area, and one VCOM block corresponds to a plurality of pixel electrodes.

[0012] Furthermore, the lower substrate substrate is provided with a plurality of first routing lines, a plurality of second routing lines, a plurality of third routing lines and a plurality of fourth routing lines on a surface of a side facing the lower substrate substrate in the non-display area, the plurality of first routing lines and the plurality of second routing lines correspond to the segment display area, the plurality of third routing lines and the plurality of fourth routing lines correspond to the dot matrix display area; one end of the plurality of first routing lines is correspondingly connected to the plurality of segment electrodes, one end of the plurality of second routing lines is correspondingly connected to the plurality of segment VCOMs, the other end of the plurality of first routing lines and the plurality of second routing lines extends to a side edge of the lower substrate substrate to form a first binding area; one end of the plurality of third routing lines is correspondingly connected to the plurality of scan lines, one end of the plurality of fourth routing lines is correspondingly connected to the plurality of data lines, the other end of the plurality of third routing lines and the plurality of fourth routing lines extends to a side edge of the lower substrate substrate to form a second binding area.

[0013] Furthermore, the combination screen also includes a first driver chip, a second driver chip, a first circuit board and a second circuit board. The first driver chip and the first circuit board correspond to the pen segment display area and are bound to the lower substrate to connect and drive the pen segment display area; the second driver chip and the second circuit board correspond to the dot matrix display area and are bound to the lower substrate to connect and drive the dot matrix display area.

[0014] Furthermore, an upper polarizer is arranged on the surface of the upper substrate side facing away from the lower substrate, and the upper polarizer covers both the segment display area and the dot matrix display area; a lower polarizer is arranged on the surface of the lower substrate side facing away from the upper substrate, and the lower polarizer covers both the segment display area and the dot matrix display area; the upper polarizer has a first polarization direction, and the lower polarizer has a second polarization direction, and the first polarization direction is perpendicular to the second polarization direction.

[0015] Furthermore, the combination screen also includes a linear polarizer and black ink, the linear polarizer is arranged on the side surface of the upper polarizer facing away from the upper substrate, and covers the segment display area and the dot matrix display area at the same time; the black ink is arranged on the side surface of the linear polarizer facing the upper polarizer, and only covers the non-display area, while avoiding the segment display area and the dot matrix display area.

[0016] Furthermore, the combined screen also includes a protective cover plate, and the protective cover plate is attached to a surface of the upper base substrate facing away from the lower base substrate.

[0017] A vehicle-mounted instrument comprises the above-mentioned combined screen.

[0018] The utility model has the following beneficial effects: the combined screen of the utility model is formed by enclosing the pen segment display area and the dot matrix display area between the upper substrate and the lower substrate through the sealing frame glue, and then the liquid crystal material is respectively poured into the pen segment display area and the dot matrix display area to form a pen segment display screen and a dot matrix display screen, which is equivalent to using the same pair of substrates to make the pen segment display screen and the dot matrix display screen, which not only reduces the overall thickness of the screen, but also only requires one bonding process with the protective cover plate, and also shortens the assembly time of the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front schematic diagram of the combined screen provided by the utility model.

[0020] Figure 2 for Figure 1 The structural schematic diagram of the combined screen AA section is shown.

[0021] Figure 3 The utility model provides a schematic structural diagram of the lower base substrate in the combined screen.

[0022] Figure 4 This is a schematic structural diagram of another combined screen section provided by the utility model. DETAILED DESCRIPTION

[0023] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0027] like Figure 1 and 2As shown, a combination screen has a segment display area 100, a dot matrix display area 200 and a non-display area 300, wherein the non-display area 300 is located on the periphery of the segment display area 100 and the dot matrix display area 200; the combination screen includes an upper substrate 1, a lower substrate 2 and a sealing frame glue 3, wherein the sealing frame glue 3 is arranged between the upper substrate 1 and the lower substrate 2, and the upper substrate 1 and the lower substrate 2 are relatively bonded and fixed; the sealing frame glue 3 is located on the non-display area 300 to enclose and seal the segment display area 100 and the dot matrix display area 200; liquid crystal material 4 is respectively filled into the segment display area 100 and the dot matrix display area 200.

[0028] The combined screen of the utility model is formed by enclosing the pen segment display area 100 and the dot matrix display area 200 between the upper base substrate 1 and the lower base substrate 2 through the sealing frame glue 3, and then the liquid crystal material 4 is respectively poured into the pen segment display area 100 and the dot matrix display area 200 to form a pen segment display screen and a dot matrix display screen, which is equivalent to using the same pair of substrates to make the pen segment display screen and the dot matrix display screen, which not only reduces the overall thickness of the screen, but also only requires one bonding process with the protective cover plate 11, and also shortens the assembly time of the screen.

[0029] In this embodiment, the sealing glue 3 is epoxy resin.

[0030] like Figure 2 and 3 As shown, the lower substrate 2 is provided with a plurality of segment electrodes 14 on a surface of one side facing the upper substrate 1 in the segment display area 100, and the plurality of segment electrodes 14 are combined with each other in the segment display area 100 to form a fixed display pattern; the lower substrate 2 is provided with a plurality of data lines 26, a plurality of scanning lines 25, a plurality of TFT switches 27 and a plurality of pixel electrodes 15 on a surface of one side facing the upper substrate 1 in the dot matrix display area 200, and the plurality of data lines 26 and the plurality of scanning lines 25 are crisscrossed to form a plurality of pixel areas, one pixel electrode 15 corresponds to one TFT switch 27, and each corresponding pixel electrode 15 and TFT switch 27 is arranged in a corresponding pixel area, and each pixel electrode 15 is electrically connected to the corresponding data line 26 and scanning line 25 through the corresponding TFT switch 27.

[0031] Preferably, the segment electrode 14 and the pixel electrode 15 are made of the same transparent conductive film, which may be but is not limited to an ITO film, an AZO film or a ZNO film, etc., so that the segment electrode 14 can be manufactured while manufacturing the pixel electrode 15.

[0032] The upper substrate 1 is provided with a plurality of segment VCOM 16 on a surface of one side facing the lower substrate 2 in the segment display area 100, and the plurality of segment VCOM 16 are combined with each other in the segment display area 100, and one segment VCOM 16 corresponds to one segment electrode 14; the upper substrate 1 is provided with a plurality of VCOM blocks 17 on a surface of one side facing the lower substrate 2 in the dot matrix display area 200, and the plurality of VCOM blocks 17 are arranged vertically and horizontally in the dot matrix display area 200, and one VCOM block 17 corresponds to a plurality of pixel electrodes 15.

[0033] Preferably, the segment VCOM 16 and the VCOM block 17 are made of the same transparent conductive film, which may be but is not limited to an ITO film, an AZO film or a ZNO film, etc., so that the segment VCOM 16 can be manufactured at the same time as the VCOM block 17 is manufactured.

[0034] The combination screen also includes a first driving chip 5, a second driving chip 6, a first circuit board 7 and a second circuit board 8. The first driving chip 5 and the first circuit board 7 correspond to the pen segment display area 100, and are bound to the lower substrate substrate 2 to connect and drive the pen segment display area 100; the second driving chip 6 and the second circuit board 8 correspond to the dot matrix display area 200, and are bound to the lower substrate substrate 2 to connect and drive the dot matrix display area 200.

[0035] In this embodiment, the binding position of the first driving chip 5 and the first circuit board 7 and the binding position of the second driving chip 6 and the second circuit board 8 are both located on the same side edge of the lower base substrate 2 .

[0036] The lower substrate 2 is provided with a plurality of first wirings 20, a plurality of second wirings 21, a plurality of third wirings 22 and a plurality of fourth wirings 24 on a surface of one side facing the lower substrate 2 in the non-display area 300, wherein the plurality of first wirings 20 and the plurality of second wirings 21 correspond to the segment display area, and the plurality of third wirings 22 and the plurality of fourth wirings 24 correspond to the dot matrix display area 200; one end of the plurality of first wirings 20 is correspondingly connected to the plurality of segment electrodes 14, and one end of the plurality of second wirings 21 is correspondingly connected to the plurality of segment VCOM 16 are correspondingly connected, the other ends of the multiple first routings 20 and the multiple second routings 21 extend to one side edge of the lower substrate 2 to form a first binding area 18 for binding the first driver chip 5 and the first circuit board 7; one end of the multiple third routings 22 is correspondingly connected to the multiple scanning lines 25, one end of the multiple fourth routings 24 is correspondingly connected to the multiple data lines 26, and the other ends of the multiple third routings 22 and the multiple fourth routings 24 extend to one side edge of the lower substrate 2 to form a second binding area 19 for binding the second driver chip 6 and the second circuit board 8.

[0037] The sealing sealant 3 is provided with a plurality of via holes (not shown in the figure), and the plurality of segments VCOM 16 are correspondingly connected to the plurality of second traces 21 through the corresponding via holes.

[0038] An upper polarizer 9 is arranged on the surface of the upper substrate 1 on the side facing away from the lower substrate 2, and the upper polarizer 9 covers both the segment display area 100 and the dot matrix display area 200; a lower polarizer 10 is arranged on the surface of the lower substrate 2 on the side facing away from the upper substrate 1, and the lower polarizer 10 covers both the segment display area 100 and the dot matrix display area 200; the upper polarizer 9 has a first polarization direction, and the lower polarizer 10 has a second polarization direction, and the first polarization direction is perpendicular to the second polarization direction.

[0039] The combined screen also includes a protective cover plate 11, which is adhered to the surface of the upper substrate 1 facing away from the lower substrate 2 by OCA optical adhesive, and the size of the protective cover plate 11 is larger than the upper substrate 1 and the lower substrate 2, so as to completely cover the upper substrate 1 and the lower substrate 2 to protect the upper substrate 1 and the lower substrate 2.

[0040] The upper polarizer 9 is located between the protective cover 11 and the upper base substrate 1 . Embodiment 2

[0041] As an optimization solution of the first embodiment, in this embodiment, if Figure 4As shown, the combined screen also includes a linear polarizer 12 and black ink 13. The linear polarizer 12 is arranged on the surface of the upper polarizer 9 on the side facing away from the upper substrate 1, and covers the segment display area 100, the dot matrix display area 200 and the non-display area 300 at the same time; the black ink 13 is arranged on the surface of the linear polarizer 12 on the side facing away from the upper polarizer 9, and only covers the non-display area 300, while avoiding the segment display area 100 and the dot matrix display area 200.

[0042] The linear polarizer 12 is arranged on the upper surface of the combination screen of the utility model, and the light absorption characteristics of the linear polarizer are utilized so that the external natural light is absorbed when passing through the linear polarizer 12, so that the brightness of the pen segment display area 100 and the dot matrix display area 200 when reflecting the external natural light will be greatly reduced, thereby making the pen segment display area 100 and the dot matrix display area 200 have a darker black when the screen is off, and closer to the black color of the black ink 13 on the non-display area 300, and finally reducing the color difference of the pen segment display area 100, the dot matrix display area 200 and the non-display area 300 when the screen is off, so that the three present a black effect.

[0043] The linear polarizer 12 has a third polarization direction, which is parallel to the first polarization direction of the upper polarizer 9 , so as to allow light to continue to pass through the linear polarizer 12 after passing through the upper polarizer 9 .

[0044] The protective cover plate 11 is bonded to the linear polarizer 12 and the black ink 13 by OCA optical adhesive.

[0045] Preferably, the black ink 13 is screen-printed on the linear polarizer 12 or the protective cover plate 11 . Embodiment 3

[0046] A vehicle-mounted instrument comprises the combined screen described in embodiment 1 or 2.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the utility model rather than to limit them. Although the embodiments of the utility model are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the utility model can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A combination screen, characterized in that: It has a segment display area, a dot matrix display area and a non-display area, and the non-display area is located on the periphery of the segment display area and the dot matrix display area; the combined screen includes an upper base substrate, a lower base substrate and a sealing frame glue, and the sealing frame glue is arranged between the upper base substrate and the lower base substrate, and the upper base substrate and the lower base substrate are relatively bonded and fixed; the sealing frame glue is located on the non-display area to enclose and seal the segment display area and the dot matrix display area; liquid crystal materials are respectively filled in the segment display area and the dot matrix display area.

2. The combined screen according to claim 1, characterized in that: The sealing frame glue is epoxy resin.

3. The combined screen according to claim 1 or 2, characterized in that: The lower substrate substrate is provided with a plurality of segment electrodes on a surface on one side facing the upper substrate substrate in the segment display area, and the plurality of segment electrodes are combined with each other in the segment display area to form a fixed display pattern; the lower substrate substrate is provided with a plurality of data lines, a plurality of scanning lines, a plurality of TFT switches and a plurality of pixel electrodes on a surface on one side facing the upper substrate substrate in the dot matrix display area, and the plurality of data lines and the plurality of scanning lines are crisscrossed to form a plurality of pixel areas, one pixel electrode corresponds to one TFT switch, and each corresponding pixel electrode and TFT switch is arranged in a corresponding pixel area, and each pixel electrode is electrically connected to the corresponding data line and scanning line through the corresponding TFT switch.

4. The combined screen according to claim 3, characterized in that: The upper substrate has a plurality of segments VCOM on a surface of one side of the upper substrate facing the lower substrate in the segment display area, the plurality of segments VCOM are combined with each other in the segment display area, and one segment VCOM corresponds to one segment electrode; The upper substrate has a plurality of VCOM blocks on a surface facing the lower substrate in the dot matrix display region. The plurality of VCOM blocks are arranged vertically and horizontally in the dot matrix display region, and one VCOM block corresponds to a plurality of pixel electrodes.

5. The combined screen according to claim 4, characterized in that: The lower substrate substrate is provided with a plurality of first routing lines, a plurality of second routing lines, a plurality of third routing lines and a plurality of fourth routing lines on a surface of one side facing the lower substrate substrate in the non-display area, the plurality of first routing lines and the plurality of second routing lines correspond to the segment display area, the plurality of third routing lines and the plurality of fourth routing lines correspond to the dot matrix display area; one end of the plurality of first routing lines is correspondingly connected to the plurality of segment electrodes, one end of the plurality of second routing lines is correspondingly connected to the plurality of segment VCOMs, the other ends of the plurality of first routing lines and the plurality of second routing lines extend to a side edge of the lower substrate substrate to form a first binding area; one end of the plurality of third routing lines is correspondingly connected to the plurality of scan lines, one end of the plurality of fourth routing lines is correspondingly connected to the plurality of data lines, the other ends of the plurality of third routing lines and the plurality of fourth routing lines extend to a side edge of the lower substrate substrate to form a second binding area.

6. The combined screen according to claim 1, characterized in that: The combined screen further includes a first driving chip, a second driving chip, a first circuit board and a second circuit board, wherein the first driving chip and the first circuit board correspond to the pen segment display area and are bound to the lower base substrate to connect and drive the pen segment display area; The second driving chip and the second circuit board correspond to the dot matrix display area and are bound to the lower base substrate to connect and drive the dot matrix display area.

7. The combined screen according to claim 1, characterized in that: An upper polarizer is arranged on the surface of the upper substrate facing away from the lower substrate, and the upper polarizer covers both the segment display area and the dot matrix display area; a lower polarizer is arranged on the surface of the lower substrate facing away from the upper substrate, and the lower polarizer covers both the segment display area and the dot matrix display area; the upper polarizer has a first polarization direction, and the lower polarizer has a second polarization direction, and the first polarization direction is perpendicular to the second polarization direction.

8. The combined screen according to claim 7, characterized in that: The combined screen also includes a linear polarizer and black ink. The linear polarizer is arranged on the surface of the upper polarizer on the side facing away from the upper substrate, and covers the segment display area and the dot matrix display area at the same time; the black ink is arranged on the surface of the linear polarizer on the side facing the upper polarizer, and only covers the non-display area, while avoiding the segment display area and the dot matrix display area.

9. The combined screen according to claim 1, characterized in that: The combined screen further comprises a protective cover plate, which is attached to a surface of the upper base substrate facing away from the lower base substrate.

10. A vehicle-mounted instrument, characterized in that: Comprising the combined screen as claimed in claim 1.

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