Double-IC (integrated circuit) integrated display and display equipment
By dividing the display area into two parts, driven by the first IC and the second IC driving unit respectively, and powered by the synchronous display and PCB circuit board, the problem that a single IC cannot drive a high-resolution display is solved, achieving high-resolution display and improved picture quality.
Patent Information
- Application Number
- CN202422780718.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-14
AI Technical Summary
A single IC cannot drive a high-resolution display that exceeds its driving capabilities and cannot complete the task of driving all pixels.
The display area is divided into two parts, upper and lower, which are driven separately by the first IC driving unit and the second IC driving unit respectively, and displayed synchronously with the scanning end through the common end. The PCB circuit board is used for power supply and rubber frame limit installation to realize dual IC integration.
It achieves high-resolution display, enhances display effect and picture quality, and avoids the limitation of single IC driving capability.
Smart Images

Figure CN223461759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to display technical field especially, and it is a kind of double IC set display and display equipment. BACKGROUND
[0002] Single IC (integrated circuit) lower resolution display is driven separately, dot matrix is by one pixel, these pixels are by row and column matrix, display is just to use this matrix to display image.Single IC can usually control certain number of row and column, form corresponding dot matrix size.But when dot matrix requirement is too high, the control ability of single IC is just a little, cannot complete the driving task of all pixels.
[0003] For example, Chinese utility model patent (CN109509403A) discloses a display screen and display device, comprising: display area;Non-display area, the non-display area surrounds the display area, the non-display area includes first non-display area, second non-display area;Front sensor, set in the second non-display area;Flexible circuit board, connected to the end of the display screen;And, at least one integrated circuit (Integrated Circuit, IC) chip, installed in the first non-display area, and connected with the signal line of the flexible circuit board, for the driving of display panel, by inverting the IC chip or chip on film (Chip On Film, COF) originally arranged in lower frame, set in the first non-display area located in upper frame, so as to realize the narrow frame of lower frame of the display screen, further improve screen ratio.
[0004] However, the utility model person carries out this device specifically, and finds that there are the following defects: single IC cannot drive the dot matrix display exceeding its driving capacity, cannot complete the driving task of all pixels. UTILITY MODEL CONTENT
[0005] Therefore, it is necessary to provide a double IC set display and display device for the above technical problems, which first divides the display area into two parts, i.e. the upper display screen assembly and the lower display screen assembly. The upper display screen assembly is driven by the first IC driving unit, and the lower display screen assembly is driven by the second IC driving unit. The first IC driving unit and the second IC driving unit are connected through the common end and the scanning end to ensure synchronous display of the two parts. In the specific operation process, the first IC driving unit and the second IC driving unit drive the row signals of their respective control areas, and after completing the upper half of the control signal, the second IC driving unit starts to control the lower half of the control signal, while supplying power through the PCB circuit board and being limited and installed through the glue frame, finally achieving the effect of overall display. This way ensures the display requirement of high resolution without being limited by the driving of a single IC, realizes high-resolution display, and enhances the display effect and picture quality.
[0006] To solve the above technical problems, the utility model adopts the technical scheme as follows:
[0007] A double IC cluster display.
[0008] The double IC cluster display specifically comprises:
[0009] The upper display screen assembly comprises an upper LCD display screen with a dot matrix of 128*90, a plurality of first IC driving units each for dot matrix driving, the first IC driving units are divided into two groups and are respectively bonded on the left and right ends of the upper LCD display screen.
[0010] The lower display screen assembly comprises a lower LCD display screen with a dot matrix of 128*90, a plurality of second IC driving units each for dot matrix driving, the second IC driving units are divided into two groups and are respectively bonded on the left and right ends of the lower LCD display screen.
[0011] The PCB circuit board is press-fitted on the first IC driving units and the second IC driving units.
[0012] The glue frame has a slot body in the middle, and the upper LCD display screen and the lower LCD display screen are arranged on the slot body from bottom to top.
[0013] The back light guiding material is stacked behind the upper LCD display screen and the lower LCD display screen and is adapted to the glue frame.
[0014] As a preferred embodiment of the double IC cluster display provided by the utility model, the glue frame is further provided with a blocking wall surrounding the slot body, and the blocking wall is arranged on the upper side, the lower side, the left side and the right side of the slot body.
[0015] As a preferred embodiment of the double IC cluster display provided by the utility model, the length and width dimensions of the slot body are equal to the length and width sum of the upper LCD display screen and the lower LCD display screen.
[0016] As a preferred embodiment of the double IC cluster display provided by the utility model, the four sides of the blocking wall are provided with foam double-sided adhesive for bonding and fixing.
[0017] As a preferred embodiment of the double IC cluster display provided by the utility model, the glue frame and the blocking wall are an integral structure.
[0018] As a preferred embodiment of the double IC cluster display provided by the utility model, the number of the first IC driving unit and the second IC driving unit is 90 respectively.
[0019] As a preferred embodiment of the double IC cluster display provided by the utility model, the manufacturing material of the PCB circuit board is glass fiber cloth.
[0020] As a preferred embodiment of the double IC cluster display provided by the utility model, the double IC cluster display further comprises anisotropic conductive adhesive, and the first IC driving unit, the second IC driving unit and the PCB circuit board are connected through the anisotropic conductive adhesive.
[0021] As a preferred embodiment of the double IC cluster display provided by the utility model, the double IC cluster display further comprises a rear iron frame, which is arranged at the back of the back light guiding material and is detachably connected with the glue frame.
[0022] On the other hand, the utility model embodiment further provides a display device, which comprises the above double IC cluster display.
[0023] Compared with the prior art, the utility model has the following beneficial effects:
[0024] The double IC cluster display and the display device provided by the utility model first divide the display area into two parts, i.e. an upper display screen assembly and a lower display screen assembly, the upper display screen assembly is driven by the first IC driving unit, and the lower display screen assembly is driven by the second IC driving unit. The first IC driving unit and the second IC driving unit are connected with the scanning end through the common end to ensure the synchronous display of the two parts. In the specific operation process, the first IC driving unit and the second IC driving unit drive the row signals of the respective control areas, and after the upper half of the control signal is completed, the second IC driving unit starts to control the lower half of the control signal, at the same time, power supply is conducted through the PCB circuit board, and finally the effect of overall display is achieved through the limiting installation of the glue frame. This mode ensures the display requirement of high resolution and is not limited by the driving of a single IC, realizes the high resolution display, and enhances the display effect and picture quality. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the scheme in the utility model, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.
[0026] Figure 1The utility model provides a double IC set link display's structure schematic drawing is provided.
[0027] Figure 2 The utility model provides a second IC drive unit and the structure schematic drawing of second IC drive unit are provided.
[0028] Figure 3 For Figure 1 The test drawing of
[0029] Figure 4 For Figure 1 The explosion drawing of.
[0030] Marking in the drawing is as follows:
[0031] Upper display screen subassembly 100, upper LCD display screen 110, first IC drive unit 120, lower display screen subassembly 200, lower LCD display screen 210, second IC drive unit 220, common end 300, scanning end 400, PCB circuit board 500, glue frame 600, groove body 610, blocking wall 620, back light light guide material 700, bubble cotton double -sided sticky 800, rear iron frame 900. Specific implementation
[0032] In order to make personnel in the technical field better understand the utility model scheme, below will combine the drawing in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment only is a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making creative labor should belong to the scope of the utility model protection.
[0033] As background art, single IC cannot drive dot matrix display beyond its driving capacity, cannot complete the driving task of all pixels.
[0034] In order to solve this technical problem, the utility model provides a double IC set link display.
[0035] Specifically, please refer to Figures 1-4 Double IC set link display specifically includes:
[0036] Upper display screen subassembly 100, upper display screen subassembly 100 includes the upper LCD display screen 110 of dot matrix for 128 * 90, a plurality of each for dot matrix drive's first IC drive unit 120, first IC drive unit 120 is divided into two groups, and is respectively bonded on the left and right ends of upper LCD display screen 110;
[0037] The lower display screen assembly 200 comprises a lower LCD display screen 210 with a dot matrix of 128*90, a plurality of second IC driving units 220 each for driving the dot matrix, the second IC driving units 220 are divided into two groups and are respectively bonded on the left and right ends of the lower LCD display screen 210;
[0038] Each first IC driving unit 120 and each second IC driving unit 220 are connected with the common terminal 300 and the scanning terminal 400;
[0039] The PCB circuit board 500 is press-fitted on the first IC driving unit 120 and the second IC driving unit 220;
[0040] The glue frame 600 has a slot body 610 in the middle, the upper LCD display screen 110 and the lower LCD display screen 210 are arranged and adapted on the slot body 610 from bottom to top;
[0041] The backlight light guide material 700 is stacked behind the upper LCD display screen 110 and the lower LCD display screen 210 and is adapted with the glue frame 600.
[0042] The double-IC integrated display provided by the utility model firstly divides the display area into two parts, namely the upper display screen assembly 100 and the lower display screen assembly 200, the upper display screen assembly 100 is driven by the first IC driving unit 120 alone, and the lower display screen assembly 200 is driven by the second IC driving unit 220 alone. The first IC driving unit 120 and the second IC driving unit 220 are connected with the common terminal 300 and the scanning terminal 400 to ensure that the two parts are displayed synchronously. In the specific operation process, IC1 and IC2 drive the row signals of the respective control areas, and after the upper half of the control signal is completed, IC2 starts to control the lower half of the control signal, at the same time, power supply is carried out through the PCB circuit board 500, and limiting installation is carried out through the glue frame 600, and finally the effect of overall display is achieved. This mode ensures the display requirement of high resolution and is not limited by the driving of a single IC, realizes high resolution display, and enhances the display effect and picture quality.
[0043] In order for those skilled in the art to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.
[0044] It should be noted that, in the case of no conflict, the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other.
[0045] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0046] Please refer to Figures 1-4 A double IC set display, which comprises an upper display screen assembly 100, the upper display screen assembly 100 comprises an upper LCD display screen 110 with a dot matrix of 128*90, a plurality of first IC driving units 120 each for dot matrix driving, the first IC driving units 120 are divided into two groups and are respectively bonded on the left and right ends of the upper LCD display screen 110;
[0047] A lower display screen assembly 200, the lower display screen assembly 200 comprises a lower LCD display screen 210 with a dot matrix of 128*90, a plurality of second IC driving units 220 each for dot matrix driving, the second IC driving units 220 are divided into two groups and are respectively bonded on the left and right ends of the lower LCD display screen 210;
[0048] Each of the first IC driving units 120 and each of the second IC driving units 220 are connected with each other through a common terminal 300 and a scanning terminal 400;
[0049] A PCB circuit board 500, the PCB circuit board 500 is press-fitted on the first IC driving units 120 and the second IC driving units 220;
[0050] A glue frame 600, the middle of the glue frame 600 is hollowed out to form a slot 610, the upper LCD display screen 110 and the lower LCD display screen 210 are arranged and adapted on the slot 610 from bottom to top;
[0051] A backlight light guide material 700, the backlight light guide material 700 is stacked behind the upper LCD display screen 110 and the lower LCD display screen 210 and is adapted with the glue frame 600.
[0052] Through the above structural design, the dot matrix of the large screen display screen is 128*180, but the IC driving capacity is at most 131 COM, and the requirement of 180 COM of the large screen display has exceeded the IC driving capacity. In this case, double ICs can be used for set connection, and double ICs are used to drive the upper and lower screens respectively, that is, the dot matrix of the upper and lower screens is 128*90 DOT. First, the display area is divided into two, that is, the upper display screen assembly 100 and the lower display screen assembly 200. The upper display screen assembly 100 is driven by the first IC driving unit 120 alone, and the lower display screen assembly 200 is driven by the second IC driving unit 220 alone. The first IC driving unit 120 and the second IC driving unit 220 are connected with the scanning end 400 through the common end 300 to ensure synchronous display of the two parts. In the specific operation process, IC1 and IC2 drive the row signals of the respective control areas, and after the control signal of the upper half is completed, IC2 starts to control the lower part of the control signal, and at the same time, power supply is carried out through the PCB circuit board 500, and finally the effect of overall display is achieved through the limiting installation of the glue frame 600. This way ensures the display requirement of high resolution without being limited by the driving of a single IC, realizes high resolution display, and enhances the display effect and picture quality; the glue frame 600 is used to fix the upper display screen assembly 100 and the lower display screen assembly 200, so that they are combined from top to bottom. The light guide material includes LED lamp, reflecting sheet, light guide plate, diffusion sheet, light enhancement film and other optical films. The back light guide material 700 is used to emit light for the display screen, and the PCB circuit board 500 is used to supply power for the upper display screen assembly 100 and the lower display screen assembly 200.
[0053] Specifically, the glue frame 600 is further provided with a blocking wall 620 surrounding the groove body 610, and the blocking wall 620 is arranged on the upper side, the lower side, the left side and the right side of the groove body 610.
[0054] Through the above structural design, the blocking wall 620 is used to fix the upper display screen assembly 100 and the lower display screen assembly 200, and the groove body 610 is fixed by the blocking wall 620. Of course, according to different requirements, the groove body 610 can also be of different sizes.
[0055] Specifically, the length and width dimensions of the groove body 610 are equal to the sum of the length and width dimensions of the upper LCD display screen 110 and the lower LCD display screen 210.
[0056] Through the above structural design, it is beneficial to fix the upper display screen assembly 100 and the lower display screen assembly 200.
[0057] Specifically, the four sides of the blocking wall 620 are provided with foam double-sided adhesive 800 for bonding and fixing.
[0058] Through the above structural design, the upper display screen assembly 100 and the lower display screen assembly 200 can be bonded and fixed, preventing the problem of not being firm.
[0059] Specifically, the glue frame 600 and the blocking wall 620 are integrated structures.
[0060] Through the above structural design, the glue frame 600 and the blocking wall 620 are integrated structures, which can be completed by one-time injection molding, so that the process is simple and the production efficiency is high.
[0061] The double-IC cluster display provided in Embodiment 1 is further optimized, and specifically, as shown in Figures 1-4 The number of the first IC driving unit 120 and the second IC driving unit 220 is 90 respectively.
[0062] Through the above structural design, the dot matrix of the large-screen display screen is 128*180, but the IC driving capacity is at most 131 COM, and the requirement of 180 COM of the large-screen display has exceeded the IC driving capacity, so in this case, the double IC can be used for cluster, and the upper and lower screens are driven by the double IC respectively, that is, the dot matrix of the upper and lower screens is 128*90 DOT.
[0063] The double-IC cluster display provided in Embodiment 1 or 2 is further optimized, and specifically, as shown in Figures 1-4 The manufacturing material of the PCB circuit board 500 is glass cloth.
[0064] Through the above structural design,
[0065] Specifically, the double-IC cluster display further comprises anisotropic conductive adhesive, and the first IC driving unit 120 and the second IC driving unit 220 are connected with the PCB circuit board 500 through the anisotropic conductive adhesive.
[0066] Through the above structural design, double-screen display and operation are realized.
[0067] Specifically, the double-IC cluster display further comprises a rear iron frame 900, and the rear iron frame 900 is arranged at the back of the backlight light guide material 700 and is detachably connected with the glue frame 600.
[0068] Through the above structural design, the rear iron frame 900 is used for protection, which is beneficial to maintain the stability of the structure.
[0069] As shown in Figures 1-4 A display device comprises the above double-IC cluster display.
[0070] The use process of the double-IC cluster display and the display device provided by the utility model is as follows:
[0071] Firstly, the display area is divided into two parts, namely the upper display screen assembly 100 and the lower display screen assembly 200, the upper display screen assembly 100 is driven by the first IC driving unit 120 alone, and the lower display screen assembly 200 is driven by the second IC driving unit 220 alone. The first IC driving unit 120 and the second IC driving unit 220 are connected with the scanning end 400 through the common end 300 to ensure the synchronous display of the two parts. In the specific operation process, IC1 and IC2 drive the row signals of the respective control areas, and after the control signal of the upper half is completed, IC2 starts to control the lower part of the control signal, at the same time, power supply is carried out through the PCB circuit board 500, and finally the effect of overall display is achieved through the limiting installation of the glue frame 600. Such a mode ensures the display requirement of high resolution without being limited by the driving of a single IC, realizes high resolution display, and enhances the display effect and picture quality.
[0072] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can indirectly connect through the intermediate medium, can be the communication of two element internals or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, the above terms can be understood according to the specific meaning in the utility model of concrete situation.
[0073] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, and not all the embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model. The utility model can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing specific embodiments can be modified, or some technical features can be replaced equivalently. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly applied in other related technical fields, is also within the patent protection range of the utility model.
Claims
1. A dual IC cluster display, characterized by, It includes The upper display screen assembly (100) includes an upper LCD display screen (110) with a dot matrix of 128*90, a plurality of first IC drive units (120) each for dot matrix driving, the first IC drive units (120) are divided into two groups and are respectively bonded on the left and right ends of the upper LCD display screen (110); The lower display screen assembly (200) includes a lower LCD display screen (210) with a dot matrix of 128*90, a plurality of second IC drive units (220) each for dot matrix driving, the second IC drive units (220) are divided into two groups and are respectively bonded on the left and right ends of the lower LCD display screen (210); Each of the first IC drive units (120) and each of the second IC drive units (220) are connected to each other through a common terminal (300) and a scanning terminal (400); The PCB circuit board (500) is press-fitted on the first IC drive units (120) and the second IC drive units (220); The glue frame (600) has a slot (610) in the middle, the upper LCD display screen (110) and the lower LCD display screen (210) are arranged and adapted on the slot (610) from bottom to top; The backlight light guide material (700) is stacked behind the upper LCD display screen (110) and the lower LCD display screen (210) and is adapted with the glue frame (600).
2. The dual IC cluster display of claim 1, wherein, The glue frame (600) is further provided with a blocking wall (620) surrounding the slot (610), the blocking wall (620) is provided on the upper side, the lower side, the left side and the right side of the slot (610).
3. The dual IC cluster display of claim 2, wherein, The length and width dimensions of the slot (610) are equal to the sum of the length and width dimensions of the upper LCD display screen (110) and the lower LCD display screen (210).
4. The dual IC cluster display of claim 2, wherein, The four sides of the blocking wall (620) are provided with foam double-sided adhesive (800) for bonding and fixing.
5. The dual IC cluster display of claim 4, wherein, The glue frame (600) and the blocking wall (620) are of an integral structure.
6. The dual IC cluster display of claim 4 or 5, wherein, The number of the first IC drive units (120) and the second IC drive units (220) is 90 respectively.
7. The dual IC cluster display of claim 6, wherein, The manufacturing material of the PCB circuit board (500) is fiberglass cloth.
8. The dual IC cluster display of claim 7, wherein, The double IC cluster display further includes anisotropic conductive adhesive, the first IC drive units (120), the second IC drive units (220) and the PCB circuit board (500) are connected through the anisotropic conductive adhesive.
9. The dual IC cluster display of claim 1, wherein, The double IC cluster display further includes a rear iron frame (900), the rear iron frame (900) is provided on the back of the backlight light guide material (700) and is detachably connected with the glue frame (600).
10. A display device, characterized by comprising: It includes the double IC cluster display according to any one of claims 1-9. It includes the double IC cluster display according to any one of claims 1-9.
Citation Information
Patent Citations
Display screen and display device
CN109509403A