US-12625403-B2 - Display apparatus

US12625403B2US 12625403 B2US12625403 B2US 12625403B2US-12625403-B2

Abstract

A display apparatus includes a display panel, a plurality of light source substrates, a plurality of light sources mounted on the plurality of light source substrates and configured to emit light toward the display panel, a driving board configured to control operation of each of the plurality of light sources, a plurality of connectors electrically connected to the driving board by an electric wire and arranged on the plurality of light source substrates, and a bottom chassis including vertical borders extending and configured to support the plurality of light source substrates. Each of the plurality of light source substrates includes a substrate body, and a plurality of substrate bars horizontally extending from the substrate body. The substrate body of some of the plurality of light source substrates is farther from the vertical border of the bottom chassis in the horizontal direction than the plurality of substrate bars.

Inventors

Sunghee Wi
Ajeong KANG
YoungMin Lee
Dukjin JEON

Assignees

SAMSUNG ELECTRONICS CO., LTD.

Dates

Publication Date: 20260512
Application Date: 20250507
Priority Date: 20231201

Claims (12)

1 . A display apparatus comprising: a display panel; a plurality of light source substrates; a plurality of light sources mounted on the plurality of light source substrates and configured to emit light toward the display panel; a plurality of connectors connected to an electric wire and arranged on the plurality of light source substrates; and a bottom chassis configured to support the plurality of light source substrates, the bottom chassis comprising: a primary first border and a secondary first border, each extending in a first direction; and a second border extending in a second direction different from the first direction, wherein each of the plurality of light source substrates comprises: a substrate body with one or more of the plurality of connectors arranged thereon; and a plurality of substrate bars extending from the substrate body in the second direction, and wherein the substrate body of a first light source substrate of the plurality of light source substrates is disposed farther from the primary first border of the bottom chassis in the second direction than the plurality of substrate bars of the first light source substrate, and wherein the substrate body of the first light source substrate is disposed farther from the secondary first border than the primary first border.
2 . The display apparatus of claim 1 , wherein each of the plurality of substrate bars of the first light source substrate adjacent to the primary first border extends from the substrate body of the first light source substrate toward the primary first border, and wherein each of the plurality of substrate bars of a second light source substrate of the plurality of light source substrates adjacent to the secondary first border extends from the substrate body of the second light source substrate toward the secondary first border.
3 . The display apparatus of claim 2 , wherein a distance in the second direction between the primary first border and the first light source substrate substantially corresponds to a distance in the second direction between the secondary first border and the second light source substrate.
4 . The display apparatus of claim 1 , wherein the first light source substrate is closest to the primary first border, wherein the plurality of light source substrates further comprises: a third light source substrate closest to the secondary first border; and a second light source substrate between the first light source substrate and the third light source substrate, wherein the plurality of substrate bars of the first light source substrate extends from the substrate body of the first light source substrate toward the primary first border, and wherein the plurality of substrate bars of the second light source substrate extends from the substrate body of the second light source substrate toward the secondary first border.
5 . The display apparatus of claim 4 , wherein the substrate body of the second light source substrate is adjacent to the substrate body of the first light source substrate, and wherein the plurality of substrate bars of the second light source substrate extend from the substrate body of the second light source substrate toward the substrate body of the third light source substrate in the second direction.
6 . The display apparatus of claim 1 , wherein the first light source substrate is closest to the primary first border, wherein the plurality of light source substrates further comprises: a second light source substrate closest to the secondary first border; a third light source substrate closer to the primary first border than the secondary first border and between the first light source substrate and the second light source substrate; and a fourth light source substrate closer to the secondary first border than the primary first border and between the first light source substrate and the second light source substrate, wherein the plurality of substrate bars of the third light source substrate extends from the substrate body of the third light source substrate toward the primary first border, and wherein the plurality of substrate bars of the fourth light source substrate extends from the substrate body of the fourth light source substrate toward the secondary first border.
7 . The display apparatus of claim 6 , wherein a distance in the second direction between the primary first border and third light source substrate substantially corresponds to a distance in the second direction between the secondary first border and the fourth light source substrate.
8 . The display apparatus of claim 1 , wherein first light source substrate is closest to the primary first border, wherein the plurality of light source substrates further comprises: a second light source substrate closest to the secondary first border; a third light source substrate closer to the primary first border than the secondary first border and between the first light source substrate and the second light source substrate; and a fourth light source substrate closer to the secondary first border than the primary first border and between the first light source substrate and the second light source substrate, wherein the plurality of substrate bars of the third light source substrate extends from the substrate body of the third light source substrate in a direction away from the primary first border, and wherein the plurality of substrate bars of the fourth light source substrate extends from the substrate body of the fourth light source substrate in a direction away from the secondary first border.
9 . The display apparatus of claim 8 , wherein the plurality of light source substrates further comprises a fifth light source substrate arranged between the third light source substrate and the fourth light source substrate.
10 . The display apparatus of claim 9 , wherein the plurality of light source substrates further comprises a sixth light source substrate facing the fifth light source substrate in the second direction, the sixth light source between the third light source substrate and the fourth light source substrate, wherein the fifth light source substrate is closer to the primary first border than the secondary first border, wherein the sixth light source substrate is closer to the secondary first border than the primary first border, wherein the plurality of substrate bars of the fifth light source substrate extends from the substrate body of the fifth light source substrate toward the primary first border, and wherein the plurality of substrate bars of the sixth light source substrate extends from the substrate body of the sixth light source substrate toward the secondary first border.
11 . The display apparatus of claim 8 , wherein the electric wire is arranged on a rear surface of the bottom chassis, wherein the bottom chassis further comprises a plurality of projections protruding from the rear surface of the bottom chassis, and wherein each connector of the plurality of connectors on the substrate body of the third light source substrate and the substrate body of the fourth light source substrate passes through a portion of the bottom chassis spaced apart from the plurality of projections.
12 . The display apparatus of claim 1 , wherein the plurality of light source substrates are arranged in a plurality of columns, each of the plurality of columns extending in the first direction and arranged in the second direction, wherein the respective pluralities of substrate bars of the plurality of light source substrates in one of the plurality of columns are arranged in the first direction, and wherein the respective substrate bodies of the plurality of light source substrates in the one of the plurality of columns extend in the first direction.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This is a Continuation of U.S. application Ser. No. 18/905,717, filed on Oct. 3, 2024, which claims priority to International Application No. PCT/KR2024/096135, filed on Sep. 11, 2024, which is based on and claims priority to Korean Patent Application No. 10-2023-0172803, filed on Dec. 1, 2023, in the Korean Intellectual Property Office, the disclosures of which are incorporated by reference herein in their entireties. BACKGROUND 1. Field The present disclosure relates to a display apparatus. 2. Description of the Related Art The display apparatus is a kind of output devices for displaying obtained or stored electrical information for the user by converting the electrical information to visual information, and is used in various fields such as homes or work places. There are many different display apparatuses such as monitor devices connected to personal computers (PCs) or server computers, portable computer systems, global positioning system (GPS) terminals, general television sets, Internet protocol televisions (IPTVs), portable terminals, e.g., smart phones, tablet PCs, personal digital assistants (PDAs), and cellular phones, various display apparatuses for reproducing images like advertisements or films, or other various kinds of audio/video systems. The display apparatus includes a light source module to convert electrical information to visual information, and the light source module includes a plurality of light sources to separately emit light. Each of the plurality of light sources includes, for example, a light emitting diode (LED) or an organic LED (OLED). For example, the LED or the OLED may be mounted on a circuit board or a substrate. SUMMARY Provided is a display apparatus having an enhanced structure which may save manufacturing costs of the product. Provided is a display apparatus having an enhanced structure to reduce noise from electric wires. Provided is a display apparatus having an enhanced structure to prevent electric wires from being interfered with other components of the display apparatus. Provided is a display apparatus having an enhanced structure which may improve manufacturing efficiency of the product. Technological objectives of the disclosure are not limited to what are mentioned above, and throughout the specification, it will be clearly appreciated by those of ordinary skill in the art that there may be other technological objectives unmentioned. According to an aspect of the disclosure, a display apparatus includes: a display panel; a plurality of light source substrates; a plurality of light sources mounted on the plurality of light source substrates and configured to emit light toward the display panel; a plurality of connectors connected to an electric wire and arranged on the plurality of light source substrates; and a bottom chassis configured to support the plurality of light source substrates, the bottom chassis comprising a first border extending in a first direction and a second border extending in a second direction different from the first direction. Each of the plurality of light source substrates includes: a substrate body with one or more of the plurality of connectors arranged thereon; and a plurality of substrate bars extending from the substrate body in the second direction. The substrate body of at least one of the plurality of light source substrates is disposed farther from the first border of the bottom chassis in the second direction than the plurality of substrate bars. The first border of the bottom chassis may be provided in a pair facing each other in the second direction. Each of the plurality of substrate bars, of one of the plurality of light source substrates adjacent to one of the pair of first borders, may extend from the substrate body toward one first border. Each of the plurality of substrate bars, of another one of the plurality of light source substrates adjacent to another one of the pair of first borders, may extend from the substrate body toward another first border. A distance in the second direction between the one of the pair of first borders and the one of the plurality of light source substrates may correspond to a distance in the second direction between the another one of the pair of first borders and the another one of the plurality of light source substrates. The first border of the bottom chassis may be provided in a pair facing each other in the second direction. The plurality of light source substrates may include: a pair of first light source substrates respectively arranged closest to the pair of first borders; and a second light source substrate between the pair of first light source substrates. The plurality of substrate bars, of one first light source substrate of the pair of first light source substrates closer to one first border than to another first border among the pair of first borders, may extend from the substrate body toward the one first border. The plurality of sub