# US 11,307,676 B2 · Light-beam emitter and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,676 B2 - Document ID: US11307676B2 - Status: Granted - Kind: B2 - Application number: 16/963,264 - Filed: 2020-07-09 - Published: 2021-11-18 - Granted: 2022-04-19 - Earliest claimed: 2020-04-29 - Assignees: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Applicants: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Inventors: Lixuan Chen; Miao Jiang; Xin Zhang - Web page: https://patentgrep.com/patent/US11307676B2 ## CPC - G06F 3/0304: {Detection arrangements using opto-electronic means (constructional details of pointing devices not related to the detection arrangement using opto-electronic means G06F3/033; optical digitisers G06F3/042)} - G06F 3/0386: {for light pen} - G06F 3/0202: {Constructional details or processes of manufacture of the input device} - G06F 3/0346: with detection of the device orientation or free movement in a three-dimensional [3D] space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors - G06F 3/038: Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A light-beam emitter and a display device are provided. The light-beam emitter includes a main body, and a light-emitting assembly, a projection button, an operation button, and a control assembly disposed on the main body; wherein the control assembly is connected to the projection button, the operation button, and the light-emitting assembly, the control assembly is configured to control the light-emitting assembly to emit a projection beam when the projection button is pressed, and the control assembly is configured to control the light-beam emitter to perform a corresponding operation when the operation button is pressed. ## Claims ### Claim 1 A light-beam emitter, comprising: a main body; a light-emitting assembly disposed on the main body; a projection button and an operation button disposed on the main body; and a control assembly disposed on the main body; wherein the control assembly is connected to the projection button, the operation button, and the light-emitting assembly, the control assembly is configured to control the light-emitting assembly to emit a projection beam when the projection button is pressed, and the control assembly is configured to control the light-beam emitter to perform a corresponding operation when the operation button is pressed; the light-emitting assembly comprises a light source and a filter disposed on a light-exiting side of the light source, and the filter is connected to the main body by rotating around a central axis of the main body. ### Claim 2 (depends on 1) The light-beam emitter according to claim 1, wherein when the operation button is pressed, the control assembly controls the light-emitting assembly to emit an operation beam, and the projection beam is different from the operation beam. ### Claim 3 (depends on 2) The light-beam emitter according to claim 2, wherein the control assembly controls the light-emitting assembly to emit a first operation beam when the operation button is pressed a single time within a preset time, and the first operation beam is different from the projection beam. ### Claim 4 (depends on 3) The light-beam emitter according to claim 3, wherein the control assembly controls the light-emitting assembly to emit a second operation beam when the operation button is continuously pressed at least twice within the preset time, and the second operation beam, the first operation beam, and the projection beam are all different from each other. ### Claim 5 (depends on 1) The light-beam emitter according to claim 1, further comprising a first communication module disposed on the main body, wherein the control assembly is connected to the first communication module, and the control assembly is further configured to control the first communication module to transmit an operation signal when the operation button is pressed. ### Claim 6 (depends on 5) The light-beam emitter according to claim 5, wherein the control assembly controls the first communication module to transmit a first operation signal when the operation button is pressed a single time within a preset time; and when the operation button is continuously pressed at least twice within the preset time, the control assembly controls the first communication module to transmit a second operation signal, and the second operation signal is different from the first operation signal. ### Claim 7 (depends on 5) The light-beam emitter according to claim 5, further comprising a gyroscope positioner disposed on the main body. ### Claim 8 (depends on 1) The light-beam emitter according to claim 1, further comprising a pressure sensing button and a pressure sensing assembly disposed on the main body, wherein the pressure sensing assembly and the pressure sensing button are connected to the control assembly, the pressure sensing assembly is configured to deliver a pressure signal to the control assembly when the pressure sensing button is pressed, and the control assembly controls the light-beam emitter to perform the corresponding operation according to the pressure signal. ### Claim 9 (depends on 8) The light-beam emitter according to claim 8, wherein the pressure sensing assembly sends a first pressure signal to the control assembly when the pressure sensing button is pressed by a first pressure, and the pressure sensing assembly sends a second pressure signal to the control assembly when the sensing button is pressed by a second pressure. ### Claim 10 (depends on 9) The light-beam emitter according to claim 9, wherein the control assembly controls the light-emitting assembly to emit a third operation beam when the pressure sensing button is pressed by the first pressure, the control assembly controls the light-emitting assembly to emit a fourth operation beam when the pressure sensing button is pressed by the second pressure, and the projection beam, the third operation beam, and the fourth operation beam are all different from each other. ### Claim 11 (depends on 9) The light-beam emitter according to claim 9, further comprising a second communication module disposed on the main body, wherein the second communication module and the control assembly are connected to the pressure sensing assembly, the control assembly is configured to control the second communication module to transmit an operation signal when the operation button is pressed; and wherein the control assembly controls the second communication module to transmit a third operation signal when the pressure sensing button is pressed by the first pressure, and the control assembly controls the second communication module to transmit a fourth operation signal when the pressure sensing button is pressed by the second pressure. ### Claim 12 A display device, comprising a display panel and a light-beam emitter, wherein the display panel comprises a display screen and a photosensitive device configured to sense a projected beam projected on the display panel by the light-beam emitter, wherein the light-beam emitter comprises: a main body; a light-emitting assembly disposed on the main body; a projection button and an operation button disposed on the main body; and a control assembly disposed on the main body; wherein the control assembly is connected to the projection button, the operation button, and the light-emitting assembly, the control assembly is configured to control the light-emitting assembly to emit a projection beam when the projection button is pressed, and the control assembly is configured to control the light-beam emitter to perform a corresponding operation when the operation button is pressed; the light-emitting assembly comprises a light source and a filter disposed on a light-exiting side of the light source, and the filter is connected to the main body by rotating around a central axis of the main body. ### Claim 13 (depends on 12) The display device according to claim 12, wherein the light-beam emitter comprises a communication module, the display panel is communicatively connected to the communication module and is configured to receive an operation signal transmitted by the communication module, and performs a corresponding operation according to the operation signal. ### Claim 14 (depends on 12) The display device according to claim 12, wherein when the operation button is pressed, the control assembly controls the light-emitting assembly to emit an operation beam, and the projection beam is different from the operation beam. ### Claim 15 (depends on 14) The display device according to claim 14, wherein the projection beam is different from the operation beam in one or more of intensity, wavelength, beam cross-sectional size, and frequency. ### Claim 16 (depends on 14) The display device according to claim 14, wherein the control assembly controls the light-emitting assembly to emit a first operation beam when the operation button is pressed a single time within a preset time, and the first operation beam is different from the projection beam. ### Claim 17 (depends on 16) The display device according to claim 16, wherein the control assembly controls the light-emitting assembly to emit a second operation beam when the operation button is continuously pressed at least twice within the preset time, and the second operation beam, the first operation beam, and the projection beam are all different from each other.