KR-102961669-B1 - Display devices and surface mount components

Abstract

The display device comprises a substrate, a plurality of surface-mount components arranged two-dimensionally on the substrate in a first direction and a second direction, and a plurality of signal lines and a plurality of scan lines arranged on the substrate. The surface-mount components have four pixels. Each of the four pixels has a light source of three colors, and each of the three light sources includes a light-emitting diode element. A plurality of scan lines are extended in a first direction, and a plurality of signal lines are extended in a second direction. The number of signal lines is three for two pixels arranged in the first direction, and the number of scan lines is four for two pixels arranged in the second direction.

Inventors

• 키쿠치 노리후미
• 사쿠라이 히사오
• 니시나카 잇페이

Assignees

• 소니 세미컨덕터 솔루션즈 가부시키가이샤

Dates

Publication Date

20260508

Application Date

20210427

Priority Date

20200501

Claims (20)

1. The substrate and, A plurality of surface-mount components arranged two-dimensionally in a first direction and a second direction on the substrate, and A plurality of signal lines and a plurality of scan lines disposed on the above substrate, and The above surface mount component has 4 pixels, and Each of the above four pixels is equipped with a three-colored light source, and each of the three-colored light sources includes a light-emitting diode element, and A plurality of the above-mentioned scan lines are directed in the first direction, and A plurality of the above signal lines are spoken in the above second direction, and The number of lines of the above signal line is three for the two pixels arranged in the first direction, and The number of scan lines above is 4 for the 2 pixels arranged in the second direction, and The above surface mount component is, A first terminal, a second terminal, and a third terminal, each connected to the other above signal line, and Further comprising a fourth terminal, a fifth terminal, a sixth terminal, and a seventh terminal, each connected to the other above-mentioned scan line, and The above three color light sources are a first color light source, a second color light source, and a third color light source, and The above four pixels comprise a first pixel, a second pixel, a third pixel, and a fourth pixel, and The first electrode of the first color light source, each provided by the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to the first terminal, and The second electrode of the first color light source, which is provided by each of the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to each of the fourth terminal, the fifth terminal, the sixth terminal, and the seventh terminal, respectively. The first electrode of the second color light source, each provided by the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to the second terminal, and The second electrode of the second color light source, each provided by the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to the fourth terminal, the fifth terminal, the sixth terminal, and the seventh terminal, respectively. The first electrode of the third color light source, each provided by the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to the third terminal, and A display device characterized in that the second electrode of the third color light source, each provided by the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to the fourth terminal, the fifth terminal, the sixth terminal, and the seventh terminal, respectively.
2. In paragraph 1, A display device characterized in that the three light sources are a red light source, a green light source, and a blue light source.
3. In paragraph 2, The light-emitting diode element included in the above red light source is a red light-emitting diode element, and The light-emitting diode element included in the above green light source is a green light-emitting diode element, and A display device characterized in that the light-emitting diode element included in the above blue light source is a blue light-emitting diode element.
4. In paragraph 1, A display device characterized in that each of the three color light sources further includes a filter provided on the light-emitting diode element.
5. In paragraph 1, A display device characterized in that two of the three light sources further include a color conversion layer provided on the light-emitting diode element.
6. In paragraph 5, The above light-emitting diode element is a blue light-emitting diode element, and A display device characterized in that the above two color light sources are a red light source and a green light source.
7. delete
8. delete
9. In paragraph 1, A display device characterized in that the first color light source, the second color light source, and the third color light source are a red light source, a green light source, and a blue light source, respectively.
10. The substrate and, A plurality of surface-mount components arranged two-dimensionally in a first direction and a second direction on the substrate, and A plurality of signal lines and a plurality of scan lines disposed on the above substrate, and The above surface mount component has 4 pixels, and Each of the above four pixels is equipped with a two-color light source, and each of the two-color light sources includes a light-emitting diode element, and A plurality of the above-mentioned scan lines are directed in the first direction, and A plurality of the above signal lines are spoken in the above second direction, and The number of lines of the above signal line is three for the two pixels arranged in the first direction, and A display device characterized in that the number of scan lines is three or four for two pixels arranged in the second direction.
11. In Paragraph 10, The above four pixels comprise a first pixel, a second pixel, a third pixel, and a fourth pixel, and The first pixel and the fourth pixel are arranged diagonally, and A display device characterized in that the second pixel and the third pixel are arranged diagonally.
12. In Paragraph 11, The two-color light sources included in the first pixel and the fourth pixel are a first color light source and a second color light source, and A display device characterized in that the two-color light sources included in the second pixel and the third pixel are a second-color light source and a third-color light source.
13. In Paragraph 12, A display device characterized in that the first color light source, the second color light source, and the third color light source are a red light source, a green light source, and a blue light source, respectively.
14. In Paragraph 12, The number of scan lines above is 4 for the 2 pixels arranged in the second direction, and The above surface mount component is, A first terminal, a second terminal, and a third terminal each connected to the other above signal line, and A display device characterized by further comprising a fourth terminal, a fifth terminal, a sixth terminal, and a seventh terminal, each connected to the other above-mentioned scan lines.
15. In Paragraph 14, The first electrode of the first color light source, each provided by the first pixel and the fourth pixel, is connected to the first terminal, and The second electrode of the first color light source, which is provided by each of the first pixel and the fourth pixel, is connected to the fourth terminal and the seventh terminal, respectively, and The first electrode of the second color light source, each provided by the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to the second terminal, and The second electrode of the second color light source, each provided by the first pixel, the second pixel, the third pixel, and the fourth pixel, is connected to the fourth terminal, the fifth terminal, the sixth terminal, and the seventh terminal, respectively. The first electrode of the third color light source, each provided by the second pixel and the third pixel, is connected to the third terminal, and A display device characterized in that the second electrode of the third color light source, each provided by the second pixel and the third pixel, is connected to the fifth terminal and the sixth terminal, respectively.
16. In Paragraph 12, The number of scan lines above is three for the two pixels arranged in the second direction, and The above surface mount component is, A first terminal, a second terminal, and a third terminal each connected to the other above signal line, and A display device characterized by further comprising a fourth terminal, a fifth terminal, and a sixth terminal, each connected to the other above-mentioned scan lines.
17. In Paragraph 16, The first electrode of the first color light source, each provided by the first pixel and the fourth pixel, is connected to the first terminal, and The second electrode of the first color light source, which is provided by each of the first pixel and the fourth pixel, is connected to the fourth terminal and the sixth terminal, respectively, and The first electrode of the second color light source, each provided by the first pixel, the second pixel, and the third pixel, is connected to the second terminal, and The second electrode of the second color light source, each provided by the first pixel, the second pixel, and the third pixel, is connected to the fourth terminal, the fifth terminal, and the sixth terminal, respectively. The first electrode of the second color light source having the fourth pixel is connected to the third terminal, and the second electrode of the second color light source having the fourth pixel is connected to the fifth terminal, and The first electrode of the third color light source, each provided by the second pixel and the third pixel, is connected to the third terminal, and A display device characterized in that the second electrode of the third color light source, each provided by the second pixel and the third pixel, is connected to the fourth terminal and the sixth terminal, respectively.
18. As a surface mount component used in a display device, 4 pixels and, A first terminal, a second terminal, and a third terminal each connected to a different signal line, and It is equipped with a fourth terminal, a fifth terminal, a sixth terminal, and a seventh terminal, each connected to a different scan line, and A surface mount component characterized in that each of the four pixels is equipped with a three-colored light source, and each of the three-colored light sources includes a light-emitting diode element.
19. As a surface mount component used in a display device, 4 pixels and, A first terminal, a second terminal, and a third terminal each connected to a different signal line, and It is equipped with a fourth terminal, a fifth terminal, a sixth terminal, and a seventh terminal, each connected to a different scan line, and A surface mount component characterized in that each of the above four pixels is equipped with a two-color light source, and each of the two-color light sources includes a light-emitting diode element.
20. As a surface mount component used in a display device, 4 pixels and, A first terminal, a second terminal, and a third terminal each connected to a different signal line, and It is equipped with a fourth terminal, a fifth terminal, and a sixth terminal, each connected to a different scan line, and A surface mount component characterized in that each of the above four pixels is equipped with a two-color light source, and each of the two-color light sources includes a light-emitting diode element.

Description

Display devices and surface mount components The present disclosure relates to a display device and a surface mount component. Recently, a display device has been proposed that arranges multiple surface mount devices (hereinafter appropriately referred to as “SMD”) in two dimensions (see, for example, Patent Document 1 and Patent Document 2). The SMD is equipped with a pixel composed of three-color or two-color light-emitting diode elements (hereinafter appropriately referred to as “LED elements”). FIG. 1 is a plan view illustrating an example of the configuration of a display device according to a first embodiment of the present disclosure. FIG. 2a is a plan view illustrating an example of the configuration of an SMD provided in a display device according to a first embodiment of the present disclosure. FIG. 2b is a circuit diagram illustrating an example of a circuit of an SMD provided in a display device relating to a first embodiment of the present disclosure. FIG. 2c is a schematic diagram illustrating an example of the arrangement of signal lines and scan lines of a display device according to a first embodiment of the present disclosure. FIG. 3a is a plan view illustrating the configuration of an SMD provided in a display device according to Comparative Example 1. FIG. 3b is a circuit diagram illustrating the circuit of an SMD provided in a display device according to Comparative Example 1. FIG. 3c is a schematic diagram illustrating the arrangement of signal lines and scan lines of a display device according to Comparative Example 1. FIG. 4a is a plan view illustrating an example of the configuration of an SMD provided in a display device relating to a second embodiment of the present disclosure. FIG. 4b is a circuit diagram illustrating an example of a circuit of an SMD provided in a display device relating to a second embodiment of the present disclosure. FIG. 5a is a plan view illustrating the configuration of an SMD provided in a display device according to Comparative Example 2. FIG. 5b is a circuit diagram illustrating the circuit of an SMD provided in a display device according to Comparative Example 2. FIG. 6a is a plan view illustrating an example of the configuration of an SMD provided in a display device according to Variant Example 1. FIG. 6b is a circuit diagram illustrating an example of a circuit of an SMD provided in a display device according to Variant 1. FIG. 7 is a circuit diagram illustrating an example of a circuit of an SMD provided in a display device according to variant 2. FIG. 8a is a plan view illustrating a first configuration example of a red light source, a green light source, and a blue light source provided by a first pixel. FIG. 8b is a cross-sectional view along the line ⅧB-ⅧB of FIG. 8a. FIG. 9 is a cross-sectional view illustrating a second configuration example of a red light source, a green light source, and a blue light source provided by a first pixel. FIG. 10a is a plan view illustrating a first variation of a red light source and a green light source equipped with a first pixel. FIG. 10b is a cross-sectional view along the line XB-XB of FIG. 10a. FIG. 11a is a drawing illustrating a first variation of a blue light source and a green light source equipped with a second pixel. FIG. 11b is a cross-sectional view along the line XIB-XIB of FIG. 11a. FIG. 12 is a drawing illustrating a second variation of the red light source and green light source provided by the first pixel. FIG. 13 is a drawing illustrating a second configuration example of a blue light source and a green light source equipped with a second pixel. Embodiments of the present disclosure will be described in the following order. Additionally, in all drawings of the following embodiments, the same or corresponding parts are denoted by the same reference numerals. 1. First embodiment (example of a display device in which pixels are composed of three color light sources) 2. Second embodiment (example of a display device in which pixels are composed of two color light sources) 3 Variations <1 First embodiment> [Configuration of the display device] FIG. 1 is a plan view illustrating an example of the configuration of a display device (10) according to a first embodiment of the present disclosure. The display device (10) is a so-called LED display device and comprises a substrate (11), a plurality of SMDs (12) disposed on the substrate (11), and a plurality of signal lines (22) and a plurality of scan lines (23) disposed on the substrate (11). The display device (10) may also comprise a driver IC (Integrated Circuit) disposed on the substrate (11). The display device (10) may be a fine pitch display with a pixel pitch of 1 mm or less. (Circuit board) The substrate (11) is, for example, a printed circuit board (PCB). The main surface of the substrate (11) may have a flat shape or a curved shape. The substrate (11) may also be a flexible substrate. In this specification, the first direction and the secon