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US 12,631,322 B2Granted
Lighting device and display device
AssigneeSaturn Licensing LLC
InventorTakaharu Shimizu
Life of this patent
Estimating the term…
Abstract
A display device is provided having light source boards each having a wiring pattern including a plurality of wires, a plurality of light-emitting elements disposed on each light source board, switching on and off of which being controlled by a control board, board-side connectors each attached to a corresponding one of the plurality of light source boards, a flexible flat cable that has a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator that is connected at one end to the control board, and a plurality of cable-side connectors attached to the flexible flat cable and coupled to the board-side connectors to connect the flexible cable to the light source boards.
Claims20
A display device comprising:
- a back chassis;
- a control board on the back chassis;
- a display panel positioned over a front surface of the back chassis, the display panel receiving current from the control board;
- a plurality of elongated light source boards each having a wiring pattern including a plurality of wires that are positioned on the back chassis, the elongated light source boards being arranged in a matrix pattern of rows and columns, with adjacent columns being spaced apart from one another, and the elongated light source boards within each column being arranged into at least two vertically spaced sub-groups;
- a plurality of light-emitting elements disposed on each elongated light source board and controlled by the control board in which there is only a single row of the light-emitting elements on each elongated light source board;
- and
- a plurality of flexible flat cables in which each of the flexible flat cables corresponds to one of the sub-groups of the elongated light source boards, each flexible flat cable having a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator, each of the flexible flat cable being connected to the control board,
- wherein each of the flexible flat cables is connected to all of the elongated light source boards in the corresponding sub-group of the elongated light source boards.
5 more elements
A display device comprising:
- a back chassis;
- a control board on the back chassis;
- a display panel positioned over a front surface of the back chassis, the display panel receives current from the control board;
- a plurality of rows and columns of elongated light source boards, each elongated light source board having a wiring pattern including a plurality of wires that are positioned on the back chassis, adjacent rows of the elongated light source boards being spaced apart from one another and adjacent columns of the elongated light source boards are spaced apart from one another, and the elongated light source boards within each column being arranged into at least two vertically spaced sub-groups;
- a plurality of light-emitting elements disposed on each elongated light source board and controlled by the control board in which there is only a single row of the light-emitting elements on each elongated light source board;
- and
- a plurality of flexible flat cables in which each of the flexible flat cables corresponds to one of the sub-groups of the elongated light source boards, each flexible flat cable having a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator, each of the flexible flat cable being connected to the control board,
- wherein each of the flexible flat cables is connected to all of the elongated light source boards in the corresponding sub-group of the elongated light source boards, and
- wherein each flexible flat cable has connection holes for exposing some conductors of the plurality of conductors, and some connection terminals of a plurality of connection terminals are inserted into the connection holes to be connected to the conductors.
6 more elements
A display device comprising:
- a back chassis;
- a control board on the back chassis;
- a display panel positioned over a front surface of the back chassis, the display panel receives current from the control board;
- a plurality of elongated light source boards each having a wiring pattern including a plurality of wires that are positioned on the back chassis, the elongated light source boards being arranged in a matrix pattern of rows and columns, adjacent columns of the elongated light source board being spaced apart from one another, and the elongated light source boards within each column being arranged into at least two vertically spaced sub-groups;
- a plurality of light-emitting elements disposed on each elongated light source board and controlled by the control board in which there is only a single row of the light-emitting elements on each elongated light source board;
- and
- at least one flexible flat cable having a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator, the at least one flexible flat cable being connected to the control board, the at least one flexible flat cable is connected to all of the elongated light source boards in each sub-group.
4 more elements
Dependencies are inferred from the claim text.