# US 12,009,467 B1 · Backlight modules and display devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,009,467 B1 - Document ID: US12009467B1 - Status: Granted - Kind: B1 - Application number: 18/307,610 - Filed: 2023-04-26 - Published: 2024-07-04 - Granted: 2024-06-11 - Earliest claimed: 2022-12-28 - Assignees: Tcl China Star Optoelectronics Technology Co., Ltd. - Applicants: Tcl China Star Optoelectronics Technology Co., Ltd. - Inventors: Linnan Chen; Hongzhao Deng - Web page: https://patentgrep.com/patent/US12009467B1 ## CPC - H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls - G02B 6/0073: {Light emitting diode [LED]} - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A backlight module includes a light source module, a binding terminal unit, a plurality of first signal wires disposed in a same layer and spaced apart, and a plurality of signal connection wires. The plurality of first signal wires are disposed to correspond to a plurality of binding terminal parts of the binding terminal unit one-to-one. Each of the first signal wires is configured to connect a first binding terminal of one of the binding terminal parts with one light source unit of the light source module. In adjacent two of binding terminal parts, one of the first signal wires corresponding to one of adjacent two of the binding terminal parts is connected to one of the first signal wires corresponding to another one of the adjacent two of the binding terminal parts through one of the signal connection wires. ## Claims ### Claim 1 A backlight module, comprising a display area and a non-display area adjacent to the display area, wherein the backlight module comprises: a light source module disposed at the display area and comprising a plurality of light source units arranged along a first direction; a binding terminal unit disposed at the non-display area and comprising a plurality of binding terminal parts arranged along the first direction, wherein the plurality of binding terminal parts are disposed to correspond to the plurality of light source units one-to-one, and each of the binding terminal parts comprises a first binding terminal; a plurality of first signal wires disposed in a same layer and spaced apart, wherein the plurality of first signal wires are disposed to correspond to the plurality of binding terminal parts one-to-one, and each of the first signal wires is configured to connect the first binding terminal of one of the binding terminal parts with one of the light source units; and a plurality of signal connection wires disposed at the non-display area, wherein the signal connection wires and the first signal wires are disposed in a same layer; wherein in adjacent two of the binding parts, one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to one of the first signal wires corresponding to another one of the adjacent two of the binding terminal parts through one of the signal connection wires. ### Claim 2 (depends on 1) The backlight module of claim 1, wherein adjacent number of the binding terminal parts form a binding terminal group, and the first signal wires corresponding to the binding terminal parts in a plurality of binding terminal groups are connected to each other. ### Claim 3 (depends on 1) The backlight module of claim 1, wherein in adjacent two of the binding parts, one end of one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to the first binding terminal in the one of the adjacent two of the binding terminal parts, and another end of the one of the first signal wires corresponding to the one of the adjacent two of the binding terminal parts is connected to the first binding terminal in another one of the adjacent two of the binding terminal parts. ### Claim 4 (depends on 2) The backlight module of claim 2, wherein the plurality of the binding terminal groups comprise a same number of binding terminal parts. ### Claim 5 (depends on 2) The backlight module of claim 2, wherein each of the binding terminal groups comprises N binding terminal parts, and N is a positive integer greater than or equal to 2. ### Claim 6 (depends on 5) The backlight module of claim 5, wherein each of the binding terminal groups comprises a first binding terminal part and a second binding terminal part arranged along the first direction, and both of the first binding terminal part and the second binding terminal part comprise the first binding terminals; wherein one end of one of the first signal wires corresponding to the first binding terminal part is connected to the first binding terminal of the first binding terminal part, and another end of the one of the first signal wires corresponding to the first binding terminal part is connected to the first binding terminal of the second binding terminal part; an end of one of the first signal wires corresponding to the second binding terminal part is connected to the first binding terminal of the second binding terminal part. ### Claim 7 (depends on 1) The backlight module of claim 1, wherein the binding terminal unit comprises an auxiliary terminal located between adjacent two of the binding terminal parts; in adjacent two of the binding parts, one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to one of the signal connection wires through the auxiliary terminal, and one of the first signal wires corresponding to another one of the adjacent two of the binding terminal parts is connected to the one of the signal connection wires through the first binding terminal in the another one of the adjacent two of the binding terminal parts. ### Claim 8 (depends on 7) The backlight module of claim 7, wherein each of the first signal wires comprises a first signal sub-wire and a signal connection section connected sequentially; wherein the first signal sub-wire is disconnected to the signal connection wire, one end of the first signal sub-wire is connected to the first binding terminal, and another end of the first signal sub-wire is connected to one of the light source units; and wherein one end of the signal connection section is connected to the one of the light source units, and another end of the signal connection section is connected to an end of the auxiliary terminal. ### Claim 9 (depends on 8) The backlight module of claim 8, wherein each of the first signal wires further comprises a second signal sub-wire which is disconnected to the first signal sub-wire; and the signal connection section is connected to the auxiliary terminal through the second signal sub-wire. ### Claim 10 (depends on 9) The backlight module of claim 9, wherein the signal connection section extends along the first direction, and both of the first signal sub-wire and the second signal sub-wire extend along the second direction; the signal connection section has a length less than a length of the first signal sub-wire or a length of the second signal sub wire. ### Claim 11 (depends on 1) The backlight module of claim 1, wherein the first binding terminal is configured to transmit a digital image processing signal; each of the binding terminal parts further comprises a second binding terminal configured to transmit a ground signal and a third binding terminal configured to transmit a power signal; and the second binding terminal, the first binding terminal, and the third binding terminal are arranged in sequence along the first direction. ### Claim 12 (depends on 11) The backlight module of claim 11, wherein the backlight module further comprises a plurality of second signal wires and a plurality of third signal wires; the first binding terminal is connected to corresponding one of the light source units through one of the first signal wires, the second binding terminal is connected to corresponding one of the light source units through one of the second signal wires, and the third binding terminal is connected to corresponding one of the light source units through one of the third signal wires. ### Claim 13 (depends on 12) The backlight module of claim 12, wherein each of the light source units comprises a plurality of light source sections arranged along the second direction, and each of the light source sections comprises a driver chip and at least one light-emitting unit; wherein the driver chip comprises a first signal pin, a second signal pin, and a third signal pin; the first signal pin is connected to the first binding terminal through one of the first signal wires, the second signal pin is connected to the second binding terminal through one of the second signal wires, and the third signal pin is connected to the third binding terminal through one of the third signal wires. ### Claim 14 (depends on 13) The backlight module of claim 13, wherein the driver chip further comprises a fourth signal pin configured to transmit the digital image processing signal, the digital image processing signal outputted by the fourth signal pin of the driver chip in one of adjacent two of the light source sections and the digital image processing signal inputted by the fourth signal pin of the driver chip in another one of the adjacent two of the light source sections are same signals. ### Claim 15 (depends on 12) The backlight module of claim 12, wherein each of the light source units comprises a plurality of light source sections arranged along the second direction, and each of the light source sections comprises a driver chip and at least one light-emitting unit; wherein a plurality of driver chips of adjacent two of the light source sections in one of the light source units share a same one of the first signal wires, one of the second signal wires, and one of the third signal wires. ### Claim 16 A backlight module, comprising a display area and a non-display area adjacent to the display area, wherein the backlight module comprises: a light source module disposed at the display area and comprising a plurality of light source units arranged along a first direction; a binding terminal unit disposed at the non-display area and comprising a plurality of binding terminal parts arranged along the first direction, wherein the plurality of binding terminal parts are disposed to correspond to the plurality of light source units one-to-one, and each of the binding terminal parts comprises a first binding terminal; a plurality of first signal wires disposed in a same layer and spaced apart, wherein the plurality of first signal wires are disposed to correspond to the plurality of binding terminal parts one-to-one, and each of the first signal wires is configured to connect the first binding terminal of one of the binding terminal parts with one of the light source units; and a plurality of signal connection wires disposed at the non-display area, wherein the signal connection wires and the first signal wires are disposed in a same layer; wherein in adjacent two of the binding parts, one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to one of the first signal wires corresponding to another one of the adjacent two of the binding terminal parts through one of the signal connection wires; wherein adjacent number of the binding terminal parts form a binding terminal group, and the first signal wires corresponding to the binding terminal parts in a plurality of binding terminal groups are connected to each other; and wherein the binding terminal unit comprises an auxiliary terminal located between adjacent two of the binding terminal parts; one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to one of the signal connection wires through the auxiliary terminal, and one of the first signal wires corresponding to another one of the adjacent two of the binding terminal parts is connected to the one of the signal connection wires through the first binding terminal in the another one of the adjacent two of the binding terminal parts. ### Claim 17 A display device, comprising a display panel and a backlight module defined with a display area and a non-display area adjacent to the display area, wherein the backlight module comprises: a light source module disposed at the display area and comprising a plurality of light source units arranged along a first direction; a binding terminal unit disposed at the non-display area and comprising a plurality of binding terminal parts arranged along the first direction, wherein the plurality of binding terminal parts are disposed to correspond to the plurality of light source units one-to-one, and each of the binding terminal parts comprises a first binding terminal; a plurality of first signal wires disposed in a same layer and spaced apart, wherein the plurality of first signal wires are disposed to correspond to the plurality of binding terminal parts one-to-one, and each of the first signal wires is configured to connect the first binding terminal of one of the binding terminal parts with one of the light source units; and a plurality of signal connection wires disposed at the non-display area, wherein the signal connection wires and the first signal wires are disposed in a same layer; wherein in adjacent two of the binding parts, one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to one of the first signal wires corresponding to another one of the adjacent two of the binding terminal parts through one of the signal connection wires. ### Claim 18 (depends on 17) The display device of claim 17, wherein adjacent number of the binding terminal parts form a binding terminal group, and the first signal wires corresponding to the binding terminal parts in a plurality of binding terminal groups are connected to each other. ### Claim 19 (depends on 17) The display device of claim 17, wherein in adjacent two of the binding parts, one end of one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to the first binding terminal in the one of the adjacent two of the binding terminal parts, and another end of the one of the first signal wires corresponding to the one of the adjacent two of the binding terminal parts is connected to the first binding terminal in another one of the adjacent two of the binding terminal parts. ### Claim 20 (depends on 17) The display device of claim 17, wherein the binding terminal unit comprises an auxiliary terminal located between adjacent two of the binding terminal parts; in adjacent two of the binding parts, one of the first signal wires corresponding to one of the adjacent two of the binding terminal parts is connected to one of the signal connection wires through the auxiliary terminal, and one of the first signal wires corresponding to another one of the adjacent two of the binding terminal parts is connected to the one of the signal connection wires through the first binding terminal in the another one of the adjacent two of the binding terminal parts.