CN116782500A - Charging device with display function - Google Patents

Abstract

The present invention provides a charging device with a display function. The charging device includes a display panel and a charging circuit. The display panel includes a substrate, a conductive layer, a spacer circuit and at least one light-emitting element. The conductive layer is disposed on the substrate and has at least a first area and a second area. The spacing line is used to separate the first area and the second area. At least one light-emitting element is electrically connected to the first region and the second region. The charging circuit is set below the display panel.

Description

Charging device with display function

Technical field

The present invention relates to a charging device, and in particular, to a charging device with a display function.

Background technique

Existing charging devices rarely have a display function and therefore cannot interact with the device to be charged. Or, even if the charging device has a display panel, the display panel and the charging circuit do not overlap in the vertical direction. This is because the metal inside the display panel absorbs heat during the charging process, causing the temperature to rise, and also affects the charging process. to the normal operation of the charging device. However, if the display panel and the charging circuit are set up separately, it will inevitably prevent the charging device from being reduced in size.

Therefore, there is still room for improvement in existing charging devices.

Contents of the invention

In view of this, the present invention proposes a charging device with a display function, and uses a conductive layer with light-transmitting and conductive properties as a circuit layer in the display panel. Therefore, in the charging device proposed in this application, the display panel overlaps with the charging circuit in the vertical direction, and the two do not need to be separated, thereby reducing the overall volume. In addition, the magnetic field generated by the charging circuit can also directly pass through the display panel and reach a device to be charged, without overheating the display panel.

In order to achieve the above technical effects, a charging device with a display function is provided according to an embodiment of the present invention. The charging device includes a display panel and a charging circuit. The display panel includes a substrate, a conductive layer, a spacer circuit and at least one light-emitting element. The conductive layer is disposed on the substrate and has at least a first area and a second area. The spacing line is used to separate the first area and the second area. At least one light-emitting element is electrically connected to the first region and the second region. The charging circuit is set below the display panel.

Preferably, the spacer lines are formed by removing part of the conductive layer.

Preferably, the means of removal is laser engraving.

Preferably, the conductive layer is selected from one of the following: indium tin oxide conductive layer, copper conductive layer, tin-copper conductive layer and carbon nanotube conductive layer.

Preferably, the light-emitting element is a flip-chip flip-chip diode, and the size of the flip-chip flip-chip diode is less than or equal to 0.3*0.2*0.15mm.

Preferably, the charging line is a power transmitting end, and the magnetic field generated by the power transmitting end can pass through the display panel and reach a power receiving end of a device to be charged.

Preferably, at least one light-emitting element can be used to display information related to the device to be charged.

Preferably, the charging device further includes a casing, the charging circuit is arranged in the casing, and the display panel is attached to the casing.

Preferably, the charging device further includes a first protective layer, and the first protective layer covers the light-emitting element.

Preferably, the charging device further includes a second protective layer covering the conductive layer and the first protective layer.

Description of drawings

FIG. 1 is a three-dimensional exploded view of a charging device with a display function provided according to an embodiment of the present invention.

FIG. 2 is a perspective view of the charging device with a display function in FIG. 1 .

FIG. 3 is a cross-sectional view of the charging device with a display function taken along the A-A section line in FIG. 2 .

FIG. 4 is a schematic cross-sectional view of a charging device with a display function according to another embodiment of the present invention.

Figure 5 shows a charging device with a display function provided according to another embodiment of the present invention.

The reference numbers are as follows:

1: Charging device

2: Display panel

21: Substrate

22: Conductive layer

221: First area

222: Second area

23: Interval lines

24: Light-emitting components

25: Circuit board

26: First protective layer

27: Second protective layer

3: Charging line

4: Shell

41: Upper cover

Detailed ways

The following uses practical examples to illustrate the technical features and the technical effects that can be achieved by the present invention.

Referring to FIGS. 1 to 3 , a charging device with a display function is provided according to a first embodiment of the present invention.

The charging device 1 includes a display panel 2 and a charging circuit 3. The charging circuit 3 is provided below the display panel 2. The user can directly place a device to be charged (not shown in the figure) on the display panel 2 for charging. .

The display panel 2 includes a substrate 21 , a conductive layer 22 , a spacer circuit 23 and at least one light-emitting element 24 .

The substrate 21 can be a light-transmissive substrate, such as a tempered glass substrate.

The conductive layer 22 is disposed on the substrate 21, and the conductive layer 22 has the characteristics of light transmission and conductivity. In this embodiment, the conductive layer is selected from one of the following: an indium tin oxide (ITO; Indium Tin Oxide) conductive layer, a copper conductive layer, a tin-copper conductive layer, and a carbon nanotube (Carbon Nanotube) conductive layer. In addition, the conductive layer 22 has a first region 221 and a second region 222 .

The separation line 23 is used to separate the first area 221 and the second area 222. In this embodiment, the spacing lines 23 are formed by removing part of the conductive layer 22 , and the above removal means can be selected from laser engraving.

The light-emitting element 24 is electrically connected to the first region 221 and the second region 222 of the conductive layer 22 . In this embodiment, the light-emitting element 24 can be selected from a flip-chip flip-chip diode, and the size of the flip-chip flip-chip diode can be less than or equal to 0.3*0.2*0.15mm.

The display panel 2 may further include a circuit board 25 on which circuits are provided to electrically connect the first area 221 and the second area 222 of the conductive layer 22 respectively. Through the arrangement of the circuit board 25, power can be introduced from the outside to the light-emitting element 24, or the light-emitting element 24 can be controlled to be turned on or off. In this embodiment, the circuit board 25 can be selected from a flexible printed circuit board (FPC; Flexible Printed Circuit), a fiberglass board (FR4) or a flexible flat cable (FFC; Flexible flatcable).

This embodiment is not limited to only providing the first region 221 and the second region 222 in the conductive layer 22. The conductive layer 22 provided in this embodiment can also be provided with more regions to supply power to more luminous lights as needed. Element 24.

The charging device 1 may include or be connected to a processor (not shown in the figure). The processor may control the turning on or off of the light-emitting element 24 through the circuit board 25, and multiple light-emitting elements 24 may also display after being matched and combined with each other. It can display more information, such as dynamic/static personalized signage, displaying information, dynamic notifications, symbols, patterns, colors, charging status, incoming call information, etc., thus extending or expanding the original screen display of the device to be charged. amount of information. In addition, the display panel 2 can be electrically connected to the main board (not shown in the figure) of the charging circuit 3 through the circuit board 25 .

Furthermore, the user can also control the information or settings displayed on the display panel 2 through a wireless connection or a mobile application (APP; mobile application).

In the charging device 1 provided in this embodiment, the charging line 3 is a power transmitting end. The magnetic field generated by the power transmitting end can pass through the display panel 2 and reach a power receiving end of the device to be charged. In addition, the conductive layer 22 used in the display panel 2 is mainly made of non-ferromagnetic metal. Therefore, when the magnetic field generated by the power transmitter passes through the conductive layer 22, the conductive layer 22 will not be heated. The temperature rises, so it will not or is less likely to cause a Foreign Object Detection (FOD) reaction during wireless charging.

In addition, in the charging device 1 provided in this embodiment, since the display panel 2 uses the conductive layer 22, which has light-transmitting or transparent properties, when the light-emitting element 24 does not emit light, the user can use the display panel 2 to The charging circuit 3 below is visible, so that the display panel 2 achieves a see-through visual effect in appearance.

In this embodiment, the charging circuit 3 is disposed in a casing 4. The casing 4 may include an upper cover 41, and the display panel 2 will be disposed or attached to the upper cover 41. In other embodiments of the present invention, the housing 4 housing the charging circuit 3 may not be provided with an upper cover. Instead, the display panel 2 may be used as the upper cover, and the display panel 2 may be directly covered on the housing 4 .

Referring to FIG. 4 , in the charging device 1 with a display function provided according to another embodiment of the present invention, the display panel 2 may further include a first protective layer 26 , and the first protective layer 26 covers the light-emitting element 24 .

Please refer to FIG. 5 . In the charging device 1 with a display function provided according to other embodiments of the present invention, the display panel 2 may further include a second protective layer 27 . The second protective layer 27 covers the conductive layer 22 and the first protective layer 22 . Layer 26. Due to the arrangement of the first protective layer 26 and the second protective layer 27, in addition to structural protection, it can also have an electromagnetic shielding effect. In addition, the materials of the first protective layer 26 and the second protective layer 27 include colloid, glass, pressure gram, plastic, etc., which function to protect circuits and light-emitting components, and can also be penetrating or impenetrable. Optical properties.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Therefore, all other equivalent changes or modifications made without departing from the spirit disclosed in the present invention shall be included in the inventive concept of the present invention. middle.

Claims (10)

1. A charging device with display function, comprising:

a display panel, comprising:

a substrate;

a conductive layer disposed on the substrate, the conductive layer having at least a first region and a second region;

a spacing line for separating the first region and the second region; and

at least one light-emitting element electrically connected with the first region and the second region; and

and a charging circuit arranged below the display panel.

2. The charging device with display function according to claim 1, wherein the spacing circuit is formed by removing a portion of the conductive layer.

3. The charging device with display function according to claim 2, wherein the removing means is laser engraving.

4. The charging device with display function according to claim 1, wherein the conductive layer is selected from one of the following: an indium tin oxide conductive layer, a copper conductive layer, a tin copper conductive layer and a carbon nanotube conductive layer.

5. The charging device with display function according to claim 1, wherein the light emitting device is a flip-chip diode, the dimensions of the flip-chip diode, less than or equal to 0.3 x 0.2 x 0.15mm.

6. The charging device with display function as claimed in claim 1, wherein the charging circuit is a power source transmitting end, and the magnetic field generated by the power source transmitting end can pass through the display panel and reach a power source receiving end of a device to be charged.

7. The charging device with display function of claim 6, wherein the at least one light emitting element is used for displaying a message related to the device to be charged.

8. The charging device with display function according to claim 1, further comprising a housing, wherein the charging circuit is disposed in the housing, and the display panel is attached to the housing.

9. The charging device with display function according to claim 1, further comprising a first protection layer covering the light emitting element.

10. The charging device with display function according to claim 9, further comprising a second protection layer covering the conductive layer and the first protection layer.