CN-122003063-A - Display device

Abstract

The present disclosure relates to a display device. The display device includes a display region including an optical region through which light can be transmitted, an optical bezel region outside the optical region, and a normal region outside the optical bezel region, a substrate overlapping the optical bezel region, an electronic device overlapping the optical bezel region and partially overlapping the optical bezel region, first and second transistors disposed in the optical bezel region, a first light emitting element disposed in the optical bezel region and connected to the first transistor, and a second light emitting element disposed in the optical region and connected to the second transistor, wherein the first transistor, the second transistor, and the first light emitting element are disposed on the substrate, and the second light emitting element is disposed on the electronic device.

Inventors

• ZHAO ZHENGZHI
• JIN ZHEGAO

Assignees

• 乐金显示有限公司

Dates

Publication Date

20260508

Application Date

20250930

Priority Date

20241105

Claims (20)

1. 1. A display device, the display device comprising: A display region including an optical region through which light can be transmitted, an optical bezel region at least partially surrounding the optical region in a top view of the display device, and a normal region at least partially surrounding the optical bezel region in the top view; a substrate overlapping the optical rim area and the normal area but not overlapping the optical area; An electronic device overlapping the optical area and partially overlapping the optical bezel area; a first transistor and a second transistor in the optical bezel region; A first light emitting element in the optical bezel region, the first light emitting element being connected to the first transistor, and A second light emitting element in the optical region, the second light emitting element being connected to the second transistor in the optical bezel region, Wherein the first transistor, the second transistor, and the first light emitting element are located on the substrate in the optical bezel region, and the second light emitting element is located on the electronic device in the optical region.
2. 2. The display device according to claim 1, further comprising: A first connection electrode in the optical frame region, the first connection electrode electrically connecting an anode electrode of the first light emitting element to one electrode of the first transistor; A common electrode to which a cathode voltage is applied, the common electrode being located on the substrate in the optical frame region, and A second connection electrode in the optical frame region, the second connection electrode electrically connecting the cathode electrode of the first light emitting element to the common electrode, Wherein the first connection electrode and the second connection electrode include transparent conductive materials.
3. 3. The display device according to claim 1, further comprising: a common electrode to which a cathode voltage is applied, the common electrode being located on the substrate in the optical frame region; A first transparent line on the electronic device, the first transparent line being located in the optical region and the optical bezel region, and A second transparent line on the electronic device, the second transparent line being located in the optical area and the optical bezel area, Wherein an anode electrode of the second light emitting element is electrically connected to one electrode of the second transistor through the first transparent line, and a cathode electrode of the second light emitting element is electrically connected to the common electrode through the second transparent line, Wherein the first transparent line and the second transparent line comprise a transparent conductive material.
4. 4. The display device according to claim 3, further comprising: A first via in the substrate; a first conductive pattern in the first via hole, the first conductive pattern electrically connecting one electrode of the second transistor and the first transparent line; a second through hole in the substrate, and And a second conductive pattern in the second via hole, the second conductive pattern electrically connecting the common electrode and the second transparent line.
5. 5. The display device of claim 4, wherein the substrate comprises a first region and a second region surrounding the first region, Wherein the electronic device comprises a third region and a fourth region overlapping the first region, the fourth region surrounding the third region and being below the first region, Wherein the first via and the second via are in the first region.
6. 6. The display device according to claim 4, further comprising: a first connection pad on a first surface of the first via; A second connection pad on the first surface of the second via; A first bond pad on a second surface of the first via opposite the first surface of the first via; a second bond pad on a second surface of the second via opposite the first surface of the second via; a first conductive pattern which is a first conductive material filling the first via hole, and And a second conductive pattern which is a second conductive material filling the second via hole.
7. 7. The display device according to claim 1, further comprising: A planarization layer in the normal region, the optical bezel region, and the optical region, the planarization layer being on the first light emitting element and the second light emitting element, Wherein the planarization layer comprises a transparent insulating material.
8. 8. The display device according to claim 1, wherein the electronic device is a camera or a detection sensor configured to perform a predetermined operation by receiving light.
9. 9. The display device of claim 1, wherein the first light emitting element and the second light emitting element are different types of light emitting diode, LED, chips, Wherein the first light emitting element is a first LED chip having a lateral chip structure, and the second light emitting element is a second LED chip having a flip chip structure different from the lateral chip structure.
10. 10. The display device according to claim 3, further comprising: a third light emitting element in the optical zone, Wherein an anode electrode of the third light emitting element is electrically connected to one electrode of the second transistor through the first transparent line, and a cathode electrode of the third light emitting element is electrically connected to the common electrode through the second transparent line.
11. 11. A display device, the display device comprising: An upper substrate including a first region and a second region surrounding the first region in a top view of the display device; A lower substrate including a third region and a fourth region surrounding the third region in the top view, the fourth region being located below the first region; a first through hole and a second through hole in the first region of the upper substrate; A first transistor on the upper substrate; a second transistor on the upper substrate; A common electrode to which a cathode voltage is applied, the common electrode being on the upper substrate; a first light emitting element on the upper substrate; a second light emitting element on the lower substrate; A first transparent wire electrically connected to an anode electrode of the second light emitting element; a first conductive pattern in the first via hole, the first conductive pattern electrically connecting one electrode of the second transistor and the first transparent line; A second transparent wire electrically connected to the cathode electrode of the second light emitting element, and A second conductive pattern in the second via hole, the second conductive pattern electrically connecting the common electrode and the second transparent line, Wherein the first transparent line and the second transparent line comprise a first transparent conductive material.
12. 12. The display device according to claim 11, further comprising: A first connection electrode connecting the anode electrode of the first light emitting element to the first transistor, and A second connection electrode connecting the cathode electrode of the first light emitting element to the common electrode; Wherein the first connection electrode and the second connection electrode include a second transparent conductive material.
13. 13. The display device according to claim 11, wherein the lower substrate is an electronic device configured to perform a determined operation by receiving light.
14. 14. The display device according to claim 11, wherein the first light emitting element is a first light emitting diode chip having a lateral chip structure, and the second light emitting element is a second light emitting diode chip having a flip chip structure different from the lateral chip structure.
15. 15. The display device according to claim 11, further comprising: And a planarization layer on the first light emitting element and the second light emitting element, the planarization layer including a transparent insulating material.
16. 16. The display device according to claim 11, further comprising: A third light emitting element on the lower substrate, Wherein an anode electrode of the third light emitting element is electrically connected to one electrode of the second transistor through the first transparent line, and a cathode electrode of the third light emitting element is electrically connected to the common electrode through the second transparent line.
17. 17. The display device according to claim 11, further comprising: a first connection pad on a first surface of the first via; A second connection pad on the first surface of the second via; A first bonding pad on a second surface of the first via opposite the first surface of the first via, and A second bond pad on a second surface of the second via opposite the first surface of the second via.
18. 18. A display device, the display device comprising: A display region including an optical region and an optical bezel region surrounding the optical region in a top view of the display device, wherein a light transmittance of the optical bezel region is lower than a light transmittance of the optical region; An electronic device overlapping the optical area and partially overlapping the optical bezel area; A first transistor in the optical bezel region; A common electrode to which a cathode voltage is applied, the common electrode being in the optical frame region; A first light emitting element in the optical bezel region, the first light emitting element connected to the first transistor; A first connection electrode in the optical frame region, the first connection electrode surrounding the optical region in the top view and electrically connecting the anode electrode of the first light emitting element to the first transistor, and And a second connection electrode surrounding the optical region, the second connection electrode being disposed between the first connection electrode and the optical region in the optical frame region in the top view, the second connection electrode electrically connecting the cathode electrode of the first light emitting element and the common electrode.
19. 19. The display device according to claim 18, further comprising: A second transistor in the optical frame region, and A second light emitting element on the electronic device in the optical region, the second light emitting element being connected to the second transistor, Wherein the height of the first light-emitting element is higher than that of the second light-emitting element, Wherein a planarization layer is disposed over the second light emitting element in the optical region and over the first light emitting element in the optical bezel region.
20. 20. The display device according to claim 19, further comprising: A first transparent line on the electronic device, the first transparent line being located in the optical region and the optical bezel region, and A second transparent line on the electronic device, the second transparent line being located in the optical area and the optical bezel area, Wherein an anode electrode of the second light emitting element is electrically connected to one electrode of the second transistor through the first transparent line, and a cathode electrode of the second light emitting element is electrically connected to the common electrode through the second transparent line.

Description

Display device Technical Field Embodiments of the present disclosure relate to an apparatus, and in particular, for example, but not limited to, a display apparatus. Background With the development of technology, a display device may provide a photographing function and various detection functions in addition to an image display function. For this purpose, the display device includes an optoelectronic device (also referred to as a light receiving device or a sensor), such as a camera and a detection sensor. Since the optical electronic device receives light from the front surface of the display device, it should be disposed in a place where light is easily received. Therefore, conventionally, a camera (camera lens) and a detection sensor must be mounted in such a manner as to be exposed to the front surface of the display device. Accordingly, the bezel of the display panel is widened, or a recess or a physical hole is formed in the display area of the display panel, and a camera or a detection sensor is mounted therein. When the display device includes an optical electronic device, unexpected deterioration of image quality may occur depending on a structure for combining the optical electronic device, and it is required to improve resolution, secure a transmission region, and secure transmittance. Disclosure of Invention Embodiments of the present disclosure may provide a display device having a transmissive structure capable of normally receiving light by an electronic device without exposing the electronic device through a front surface of the display device. Embodiments of the present disclosure may provide a display device having a structure capable of enhancing transmittance of an optical region by disposing a light emitting element in a transmissive optical region and disposing a pixel circuit for driving the light emitting element in the optical region in an optical bezel region. Embodiments of the present disclosure may provide a display device having a structure capable of enhancing transmittance of an optical region by connecting a light emitting element disposed in a transmissive optical region and a pixel circuit disposed in an optical bezel region via a transparent line including a transparent conductive material. In one embodiment, a display device includes a display region including an optical region capable of transmitting light, an optical bezel region at least partially surrounding the optical region in a top view of the display device, and a normal region at least partially surrounding the optical bezel region in a top view, a substrate overlapping the optical bezel region and the normal region but not overlapping the optical region, an electronic device overlapping the optical region and partially overlapping the optical bezel region, a first transistor and a second transistor in the optical bezel region, a first light emitting element in the optical bezel region connected to the first transistor, and a second light emitting element in the optical bezel region connected to the second transistor in the optical bezel region, wherein the first transistor, the second transistor, and the first light emitting element are located on the substrate in the optical bezel region, and the second light emitting element is located on the electronic device in the optical bezel region. In one embodiment, a display device includes an upper substrate including a first region and a second region surrounding the first region in a top view of the display device, a lower substrate including a third region and a fourth region surrounding the third region in a top view, the fourth region being located under the first region, a first via and a second via in the first region of the upper substrate, a first transistor on the upper substrate, a second transistor on the upper substrate, a common electrode applied with a cathode voltage, the common electrode being located on the upper substrate, a first light emitting element on the upper substrate, a second light emitting element on the lower substrate, a first transparent line electrically connected to an anode electrode of the second light emitting element, a first conductive pattern in the first via electrically connecting a first electrode of the second transistor and the first transparent line, a second conductive pattern in the first via electrically connecting a second electrode of the second transistor and the second transparent line, and a second conductive pattern in the second transparent line electrically connecting the second electrode of the second transparent line and the second transparent line. In one embodiment, a display device includes a display region including an optical region and an optical bezel region surrounding the optical region in a top view of the display device, wherein the optical bezel region has a light transmittance lower than that of the optical region, an electronic device overlapping the optical region and partially overlapping