Light emitter board, display device, and method for repairing display device
AssigneeKYOCERA Corporation
InventorsRyoichi Yokoyama, Takanobu Suzuki
Life of this patent
Estimating the term…
Abstract
A light emitter board includes a substrate having a mount surface on which first and second light emitters are mountable, and at least one pixel unit on the mount surface, including a drive circuit and first and second drive lines. The first drive line as a primary line and the second drive line as a redundant line are connected in parallel to the drive circuit. The pixel unit includes, on the mount surface, first positive and negative electrode pads connectable to the first light emitter, and second positive and negative electrode pads to the second light emitter. The first positive or negative electrode pad is connected to the first drive line, and the second positive or negative electrode pad to the second drive line.
Claims14
A light emitter board, comprising:
- a substrate having a mount surface on which a first light emitter and a second light emitter are mountable;
- at least one pixel unit on the mount surface, the at least one pixel unit including a drive circuit, a first drive line, and a second drive line, the first drive line and the second drive line being connected in parallel to the drive circuit, the first drive line being a primary line, the second drive line being a redundant line;
- a first positive electrode pad and a first negative electrode pad on the mount surface, the first positive electrode pad and the first negative electrode pad being connectable to the first light emitter, one of the first positive electrode pad or the first negative electrode pad being connected to the first drive line;
- and
- a second positive electrode pad and a second negative electrode pad on the mount surface, the second positive electrode pad and the second negative electrode pad being connectable to the second light emitter, one of the second positive electrode pad or the second negative electrode pad being connected to the second drive line, wherein
- the second positive electrode pad has a greater area than the first positive electrode pad and the second negative pad has a greater area than the first negative electrode pad.
A light emitter board, comprising:
- a substrate having a mount surface on which a first light emitter and a second light emitter are mountable;
- at least one pixel unit on the mount surface, the at least one pixel unit including a drive circuit, a first drive line, and a second drive line, the first drive line and the second drive line being connected in parallel to the drive circuit, the first drive line being a primary line to primarily drive the first light emitter, the second drive line being a redundant line to redundantly drive the second light emitter;
- a switch unit configured to place one of the first drive line or the second drive line in a conductive state and another of the first drive line or the second drive line in a nonconductive state;
- and
- a switch controller connected to the switch unit, wherein
- the switch controller includes a static memory circuit including a first inverter logic circuit and a second inverter logic circuit connected in series to and downstream from the first inverter logic circuit, and
- the switch unit is connected in parallel to the first inverter logic circuit and the second inverter logic circuit.
A light emitter board, comprising:
- a substrate having a mount surface on which a first light emitter and a second light emitter are mountable;
- at least one pixel unit on the mount surface, the at least one pixel unit including a drive circuit, a first drive line, and a second drive line, the first drive line and the second drive line being connected in parallel to the drive circuit, the first drive line being a primary line to primarily drive the first light emitter, the second drive line being a redundant line to redundantly drive the second light emitter;
- a switch unit configured to place one of the first drive line or the second drive line in a conductive state and another of the first drive line or the second drive line in a nonconductive state;
- and
- a switch controller connected to the switch unit, wherein
- the switch controller includes a static memory circuit and an inverter logic circuit connected in parallel to and downstream from the static memory circuit, and
- the switch unit is connected in parallel to the static memory circuit and the inverter logic circuit.
Dependencies are inferred from the claim text.