Boost IC and display screen IC combined structure of display module

Abstract

A boost IC and display screen IC combined structure of a display module comprises an AMOLED display screen, a COF binding position, a POWERIC and an FPC. The POWERIC is integrated on the COF binding position, the AMOLED display screen and the COF binding position are integrally designed at the bottom of the AMOLED display screen, and the FPC is connected with the COF binding position through a golden finger. According to the structure of combining the boost IC and the display screen IC of the display module, the capacitance-resistance device originally designed on the FPC and the POWERIC are integrally designed on the display screen IC, so that the cost of the module is lower, the power supply pin at the periphery of the AMOLED module only needs to provide VIN (3.7 V) voltage, and a peripheral power supply circuit is greatly simplified. Therefore, the cost brought by the AMOLED module is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of display modules, in particular to a structure in which a boost IC and a display screen IC of a display module are combined. Background Technique

[0002] At present, due to the characteristics of bright display effect, high contrast and small screen of AMOLED, it is widely applied to projects such as smart watches and smart bracelets. Therefore, there is a huge demand for AMOLED display screens in the market. Therefore, optimizing the AMOLED display module and reducing its production cost have become the unified requirements of each manufacturer. Therefore, a structure in which a boost IC and a display screen IC of a display module are combined is designed. It can reduce the peripheral components and make the power supply voltage more single, thereby reducing the production cost of the module to meet the market demand. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a structure in which a boost IC and a display screen IC of a display module are combined.

[0004] The purpose of the utility model is realized by the following technical solutions:

[0005] A structure in which a boost IC and a display screen IC of a display module are combined, including: an AMOLED display screen, a COF bonding position, a POWERIC and an FPC; the POWERIC is integrated on the COF bonding position, the AMOLED display screen and the COF bonding position are integrally designed at the bottom thereof, and the FPC is connected to the COF bonding position through a gold finger.

[0006] In one embodiment, a capacitor-resistor component is arranged at the top of the right side of the front surface of the POWERIC.

[0007] In one embodiment, a charge pump is arranged at a position near the right side of the center of the front surface of the POWERIC, and the charge pump is electrically connected to the capacitor-resistor component.

[0008] In one embodiment, a driver is arranged at a position on the right side of the center of the front surface of the POWERIC, and a timer module is arranged at a position on the left side of the top of the front surface of the POWERIC.

[0009] In one embodiment, a CUP is arranged on the right side of the center of the front surface of the POWERIC. A Boost module and an Ncharge pump module are arranged in the CUP. At the same time, three LDO pins are arranged in the CUP.

[0010] In one embodiment, two of the three LDO pins on the CUP are electrically connected to the Boost module, and the other LDO pin is electrically connected to the Ncharge pump module, and the Boost module and the Ncharge pump module are electrically connected to each other.

[0011] In one embodiment, the POWERIC is provided with a VCC voltage pin, an ELVDD voltage pin, and an ELVSS voltage pin.

[0012] In one embodiment, the POWERIC is provided with a Swire power supply IC, and the Swire power supply IC is electrically connected to the CUP.

[0013] In one embodiment, the three LDO pins in the CUP are respectively electrically connected to the VCC voltage pin, the ELVDD voltage pin, and the ELVSS voltage pin in the POWERIC.

[0014] In one embodiment, the FPC is electrically connected to the VIN pin and the EN pin in the display module.

[0015] Compared with the prior art, the present utility model has at least the following advantages:

[0016] The structure of combining the boost IC and the display screen IC of the display module of the present utility model integrates the capacitor and resistor devices and the POWERIC originally designed on the FPC on the display screen IC, which can solve the uncertain factors caused by the wiring layout. In addition to providing the voltages VCC, ELVDD, and ELVSS, the POWERIC can also obtain the IOVCC voltage by the method of VCC plus LDO. Therefore, the components on the FPC can be greatly reduced, which makes the cost of the module lower. And the power supply pins on the periphery of the AMOLED module only need to provide a voltage of VIN (3.7V), which greatly simplifies the peripheral power supply circuit. This greatly reduces the cost brought by the AMOLED module. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a front module schematic diagram of the structure of combining the boost IC and the display screen IC of the display module of the present utility model.

[0019] In the figure: 1. AMOLED display screen; 2. COF bonding position; 3. POWER IC; 31. Capacitor and resistor components; 32. Charge pump; 33. Driver; 34. Timer module; 35. CUP; 36. Swire power supply IC; 4. FPC. Specific implementation manner

[0020] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0021] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0022] Unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] Such as Figure 1As shown in the figure, a structure in which a boost IC of a display module is combined with a display screen IC includes: an AMOLED display screen 1, a COF bonding position 2, a POWERIC 3, and an FPC 4; the POWERIC 3 is integrated on the COF bonding position 2, the AMOLED display screen 1 and the COF bonding position 2 are integrally designed at the bottom thereof, and the FPC 4 is connected to the COF bonding position 2 through a gold finger. It should be noted that this design can integrate the capacitor and resistor components 31 on the FPC 4 and the POWERIC 3 onto the IC of the COF bonding position 2 of the display screen, which can solve the influence of uncertain factors brought by wire routing and placement.

[0025] As Figure 1 shown in one embodiment, capacitor and resistor components 31 are provided at the top of the right side of the front surface of the POWERIC 3. A charge pump 32 is provided at a position near the right side in the center of the front surface of the POWERIC 3, and the charge pump 32 is electrically connected to the capacitor and resistor components 31. A driver 33 is provided at a position on the right side in the center of the front surface of the POWERIC 3, and a timer module 34 is provided at a position on the left side at the top of the front surface of the POWERIC 3. It should be noted that this design enables the chip of the COF bonding position 2 to have functions such as a timing function, so as to meet the needs of the AMOLED display screen 1.

[0026] As Figure 1 shown in one embodiment, a CUP 35 is provided on the right side in the center of the front surface of the POWERIC 3. A Boost module and an Ncharge pump module are provided in the CUP 35. At the same time, three LDO pins are provided in the CUP 35. Two of the three LDO pins on the CUP 35 are electrically connected to the Boost module, and the other LDO pin is electrically connected to the Ncharge pump module, and the Boost module and the Ncharge pump module are electrically connected. A VCC voltage pin, an ELVDD voltage pin, and an ELVSS voltage pin are provided on the POWERIC 3. A Swire power supply IC 36 is provided on the POWERIC 3, and the Swire power supply IC 36 is electrically connected to the CUP 35. The three LDO pins in the CUP 35 are respectively electrically connected to the VCC voltage pin, the ELVDD voltage pin, and the ELVSS voltage pin in the POWERIC 3. It should be noted that this design enables the POWERIC 3 to obtain an IOVCC voltage in addition to providing voltages VCC, ELVDD, and ELVSS through the method of adding LDO to VCC, which makes the cost of the module lower.

[0027] As Figure 1 shown in one embodiment, the FPC 4 is electrically connected to the VIN pin and the EN pin in the display module.

[0028] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A structure combining a boost IC and a display IC of a display module, characterized in that: include: AMOLED display (1), COF bonding position (2), POWERIC (3) and FPC (4); The POWERIC (3) is integrated on the COF binding position (2), the AMOLED display screen (1) and the COF binding position (2) are integrated at the bottom thereof, and the FPC (4) and the COF binding position (2) are connected via a gold finger.

2. The structure of combining the boost IC and the display IC of the display module according to claim 1, characterized in that: A capacitor and resistor component (31) is arranged on the top of the right side of the front side of the POWERIC (3).

3. The structure of combining the boost IC and the display IC of the display module according to claim 2, characterized in that: A charge pump (32) is provided at a position close to the right side in the center of the front side of the POWERIC (3), and the charge pump (32) and the capacitor and resistor components (31) are electrically connected to each other.

4. The structure of combining the boost IC and the display IC of the display module according to claim 1, characterized in that: A driver (33) is arranged at the right side of the center of the front face of the POWERIC (3), and a timer module (34) is arranged at the left side of the top of the front face of the POWERIC (3).

5. The structure of combining the boost IC and the display IC of the display module according to claim 1, characterized in that: A CUP (35) is arranged on the right side of the center of the front face of the POWERIC (3), and a Boost module and an Nchargepump module are arranged in the CUP (35), and three LDO pins are arranged in the CUP (35).

6. The structure of combining the boost IC and the display IC of the display module according to claim 5, characterized in that: Two of the three LDO pins on the CPU (35) are electrically connected to the Boost module, and the other LDO pin is electrically connected to the Ncharge pump module, and the Boost module and the Ncharge pump module are electrically connected to each other.

7. The structure of combining the boost IC and the display IC of the display module according to claim 1, characterized in that: The POWERIC (3) is provided with a VCC voltage pin, an ELVDD voltage pin and an ELVSS voltage pin.

8. The structure of combining the boost IC and the display IC of the display module according to claim 5, characterized in that: The POWERIC (3) is provided with a Swire power supply IC (36), and the Swire power supply IC (36) is electrically connected to the CUP (35).

9. The structure of combining the boost IC and the display IC of the display module according to claim 5, characterized in that: The three LDO pins in the CPU (35) are electrically connected to the VCC voltage pin, the ELVDD voltage pin and the ELVSS voltage pin in the POWERIC (3) respectively.

10. The structure of combining a boost IC and a display screen IC of a display module according to claim 1, characterized in that: The FPC (4) is electrically connected to the VIN pin and the EN pin in the display module.

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