CN-115857162-B - Display module and head-mounted display equipment

Abstract

The invention discloses a display module and a head-mounted display device, which comprises a display screen and a driving chip, wherein the display screen comprises a circuit layer, a shading layer and an infrared light-emitting layer arranged on one side, far away from the circuit layer, of a shading area in the shading layer, an anode film layer and a cathode film layer of the infrared light-emitting layer are both connected with the circuit layer, the circuit layer is connected with the driving chip, the driving chip is used for driving the infrared light-emitting layer to emit infrared light through the circuit layer when the device is in a display state so as to illuminate eyeballs of a user for tracking the eyeballs of the user, and the infrared light-emitting layer is arranged in the display screen and is not limited by the space of the head-mounted display device, so that the head-mounted display device is beneficial to miniaturization, light and thin development.

Inventors

• TIAN LI
• LIU JINGYANG

Assignees

• 歌尔科技有限公司

Dates

Publication Date

20260512

Application Date

20221122

Claims (2)

1. 1. The display module is characterized by comprising a display screen and a driving chip, wherein the display screen comprises a circuit layer, a shading layer and an infrared light-emitting layer arranged on one side, far away from the circuit layer, of a shading area in the shading layer, the infrared light-emitting layer comprises an anode film layer, an infrared light-emitting material layer and a cathode film layer, the infrared light-emitting material layer is arranged between the anode film layer and the cathode film layer, the anode film layer of the infrared light-emitting layer is plated and attached to the side, far away from the circuit layer, of the shading area, the cathode film layer is plated and attached to the side, close to the circuit layer, of the shading area, the anode film layer and the cathode film layer of the infrared light-emitting layer are connected with the circuit layer, the circuit layer is connected with the driving chip, and the driving chip is used for driving the infrared light-emitting layer to emit infrared light through the circuit layer when receiving a display instruction issued by upper-layer application and controlling the circuit layer to stop supplying power to the infrared light-emitting layer when a dormancy instruction sent by the upper-layer application is received; the infrared light-emitting device comprises a light-shielding layer, a plurality of infrared light-emitting layers, a plurality of light-shielding areas, a plurality of light-shielding layers and a plurality of light-shielding layers, wherein the infrared light-emitting layers are respectively arranged on all light-shielding areas on the outermost periphery of the light-shielding layer, and the light-shielding areas in the light-shielding layer are distributed in a matrix form; And when the driving chip detects that the equipment is not in a display state, controlling the circuit layer to stop supplying power to the infrared light-emitting layer, so that the infrared light-emitting layer stops emitting infrared light.
2. 2. A head-mounted display device comprising the display module of claim 1.

Description

Display module and head-mounted display equipment Technical Field The invention relates to the technical field of head-mounted equipment, in particular to a display module and head-mounted display equipment. Background Currently, when implementing an eyeball tracking function in the field of head-mounted devices, a plurality of infrared lamps are required to be additionally arranged between a display screen and a position corresponding to eyes for illuminating the eyeballs. However, this manner of disposing a plurality of infrared lamps requires enough space, which increases the size of the headset product and makes it difficult to make the VR product thinner. In view of this, how to provide a display module and a head-mounted display device that are beneficial to the light and thin design of the head-mounted device is a problem that needs to be solved by those skilled in the art. Disclosure of Invention The embodiment of the invention aims to provide a display module and a head-mounted display device, which are beneficial to the miniaturization, the light weight and the development of the head-mounted display device in the use process. In order to solve the technical problems, the embodiment of the invention provides a display module, which comprises a display screen and a driving chip, wherein the display screen comprises a circuit layer, a shading layer and an infrared light-emitting layer arranged on one side, far away from the circuit layer, of a shading area in the shading layer, an anode film layer and a cathode film layer of the infrared light-emitting layer are both connected with the circuit layer, the circuit layer is connected with the driving chip, and the driving chip is used for driving the infrared light-emitting layer to emit infrared light through the circuit layer when equipment is in a display state. Optionally, the driving chip is further configured to control the circuit layer to stop supplying power to the infrared light emitting layer when the device is not in a display state. Optionally, the anode film layer of the infrared light-emitting layer is plated and attached on the side surface of the shading area far away from the circuit layer, and the cathode film layer is plated and attached on the side surface of the shading area near to the circuit layer. Optionally, the driving chip is configured to drive, through the circuit layer, the infrared light emitting layer to emit light when receiving a display instruction, and control, when receiving a sleep instruction, the circuit layer to stop supplying power to the infrared light emitting layer. Optionally, each light shielding region at a preset position in the light shielding layer is provided with a corresponding infrared light emitting layer. Optionally, each shading area at the outermost periphery of the shading layers is respectively provided with a corresponding infrared luminous layer. Optionally, the infrared light-emitting layer includes an anode film layer, an infrared light-emitting material layer and a cathode film layer, and the infrared light-emitting material layer is disposed between the anode film layer and the cathode film layer. Optionally, the light shielding regions in the light shielding layer are distributed in a matrix form. The embodiment of the invention provides head-mounted display equipment, which comprises the display module. The embodiment of the invention provides a display module and a head-mounted display device, which comprise a display screen and a driving chip, wherein the display screen comprises a circuit layer, a shading layer and an infrared light-emitting layer arranged on one side, far away from the circuit layer, of a shading area in the shading layer, an anode film layer and a cathode film layer of the infrared light-emitting layer are both connected with the circuit layer, the circuit layer is connected with the driving chip, and the driving chip is used for driving the infrared light-emitting layer to emit infrared light through the circuit layer when the device is in a display state. Therefore, in the embodiment of the invention, the infrared light-emitting layer is arranged on the shading area in the shading layer of the display screen, the anode film layer and the cathode film layer of the infrared light-emitting layer are both connected with the circuit layer of the display screen, the circuit layer is connected with the driving chip, and the driving chip drives the infrared light-emitting layer to emit infrared light through the circuit layer when determining that the equipment is in a display state, so that eyeballs of a user are illuminated to track the eyeballs of the user. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present