CN-121986292-A - Display device

CN121986292ACN 121986292 ACN121986292 ACN 121986292ACN-121986292-A

Abstract

A display device includes a reflective sheet, a light source substrate including a first light source substrate and a second light source substrate and disposed on the reflective sheet, and a plurality of light sources including a plurality of first light sources on the first light source substrate and a plurality of second light sources on the second light source substrate. A first distance between a first light source of the plurality of first light sources and a first second light source of the plurality of second light sources is greater than or equal to two times the second distance and less than or equal to four times the second distance. The second distance is a distance between adjacent first light sources among the plurality of first light sources.

Inventors

Quan Dezhen
Jiang Wozhen
Pu Ranjun
Wei Shengxi
LI YINGMIN

Assignees

三星电子株式会社

Dates

Publication Date: 20260505
Application Date: 20241223
Priority Date: 20240213

Claims (15)

1.A display device, comprising: A reflection sheet; A light source substrate on the reflection sheet and including a first light source substrate and a second light source substrate, and A plurality of light sources including a plurality of first light sources on the first light source substrate and a plurality of second light sources on the second light source substrate, Wherein a first distance between a first light source of the plurality of first light sources and a second light source of the plurality of second light sources is greater than or equal to twice the second distance and less than or equal to four times the second distance, and Wherein the second distance is a distance between adjacent ones of the plurality of first light sources.
2. The display device according to claim 1, wherein the first distance is a smallest distance among distances between one of the plurality of first light sources and one of the plurality of second light sources.
3. The display device according to claim 1, wherein the first light source substrate and the second light source substrate are separated in an up-down direction.
4. The display device according to claim 1, further comprising: a bottom chassis configured to accommodate the reflective sheet, Wherein the light source substrate is configured to be mounted on the bottom chassis in a state in which the reflection sheet is mounted on the bottom chassis.
5. The display device of claim 4, wherein the bottom chassis includes a module mounting protrusion, and Wherein, the light source substrate includes: a pass-through portion into which the module mounting protrusion is configured to be inserted, and A restricting portion configured to restrict detachment of the module mounting protrusion in a state in which the module mounting protrusion is inserted into the restricting portion.
6. The display device according to claim 5, wherein the light source substrate is configured to be mounted on the bottom chassis with the module mounting protrusion inserted into the restricting portion in a state in which the module mounting protrusion is inserted into the passing portion.
7. The display device of claim 5, wherein the reflective sheet includes an opening through which the module mounting protrusion is inserted to couple with the light source substrate.
8. The display device according to claim 1, further comprising: A display panel; an optical member between the display panel and the reflection sheet, and And a support on the reflection sheet and configured to support the optical member.
9. The display device according to claim 1, wherein a reflectance of the light source substrate is smaller than a reflectance of the reflection sheet.
10. The display device according to claim 1, wherein a width of an area surrounding a light source of the plurality of light sources is based on a distance from a brightest portion of the light source to a point having a brightness half that of the brightest portion, and Wherein the width is greater than or equal to the first distance and less than or equal to 1.15 times the first distance.
11. The display device according to claim 1, further comprising: And a reflector disposed on the light source substrate in a greater number in a second region spaced apart from the plurality of light sources than in a first region adjacent to the plurality of light sources.
12. The display device of claim 11, wherein the reflector comprises a photo solder resist PSR on the light source substrate.
13. The display device of claim 1, wherein at least a portion of an edge of the reflective sheet has a reduced reflectivity compared to another portion of the reflective sheet.
14. The display device according to claim 1, wherein a distance between the plurality of second light sources is equal to a distance between the plurality of first light sources.
15. The display device according to claim 1, further comprising: a third light source substrate arranged in a left-right direction with the first light source substrate; And a substrate connector configured to electrically connect the first light source substrate and the third light source substrate.

Description

Display device Technical Field The present disclosure relates to a display device including a reflective sheet. Background The display apparatus is an output device that converts acquired or stored electric information into visual information and displays the converted visual information to a user, and is widely used in various fields such as home and business. The display apparatus includes a monitor device connected to a personal computer or a server computer, a portable computer device, a navigation terminal device, a general-purpose television device, an Internet Protocol Television (IPTV) device, a portable terminal device such as a smart phone, a tablet PC, a Personal Digital Assistant (PDA), and a cellular phone, various display apparatuses for playing back images (e.g., advertisements) and movies in an industrial environment, and various types of audio/video systems. The display device includes a light source module for converting electrical information into visual information, and the light source module includes a plurality of light sources for independently emitting light. Each of the plurality of light sources comprises, for example, a Light Emitting Diode (LED) or an Organic Light Emitting Diode (OLED). For example, the light emitting diode or the organic light emitting diode may be mounted on a circuit board or a substrate. Disclosure of Invention [ Technical problem ] Provided is a display device which can have improved assembly convenience. Further, a display device which can have improved brightness is provided. Further, a display device that can have reduced material costs is provided. The technical tasks to be achieved in this document are not limited to the above-described technical tasks, and other technical tasks not mentioned will be clearly understood by those skilled in the art from the following description. Technical scheme A display device according to aspects of the present disclosure includes a reflective sheet, a light source substrate on the reflective sheet and including a first light source substrate and a second light source substrate, and a plurality of light sources including a plurality of first light sources on the first light source substrate and a plurality of second light sources on the second light source substrate. A first distance between a first light source of the plurality of first light sources and a second light source of the plurality of second light sources is greater than or equal to two times the second distance and less than or equal to four times the second distance. The second distance is a distance between adjacent ones of the plurality of first light sources. A display device according to aspects of the present disclosure includes a bottom chassis, a reflective sheet disposed in front of the bottom chassis, a first light source substrate disposed in front of the reflective sheet, a second light source substrate disposed in front of the reflective sheet and disposed in an up-down direction with the first light source substrate, a plurality of first light sources mounted on the first light source substrate, and a plurality of second light sources mounted on the second light source substrate. The nearest first distance among the distances between one of the plurality of first light sources and one of the plurality of second light sources is set to be two to four times the second distance between the plurality of first light sources. Drawings Fig. 1 illustrates a display device according to an embodiment of the present disclosure. Fig. 2 is an exploded view of a display device according to an embodiment of the present disclosure. Fig. 3 is an enlarged cross-sectional view showing a configuration of a portion of a display module of a display device according to an embodiment of the present disclosure. Fig. 4 illustrates an interior of a display device according to an embodiment of the present disclosure. Fig. 5 is an exploded view showing a configuration of a part of a display device according to an embodiment of the present disclosure. Fig. 6 is a front view of a portion of a display device according to an embodiment of the present disclosure. Fig. 7 is an enlarged view of portion a shown in fig. 6 according to an embodiment of the present disclosure. Fig. 8 illustrates a state in which the third light source substrate in fig. 7 is separated from the connector according to an embodiment of the present disclosure. Fig. 9 schematically illustrates an optical profile of one light source among a plurality of light sources of a light source module of a display device according to an embodiment of the present disclosure. Fig. 10 is an enlarged view of portion B shown in fig. 6 according to an embodiment of the present disclosure. Detailed Description The embodiments described in the present disclosure and the configurations shown in the drawings are merely examples of preferred embodiments of the present disclosure, and various modifications may be made to re