Display Device Bluetooth Wake-Up From Power-Off State

Solution Overview

Problem

Existing display devices cannot perform Bluetooth sound mirroring when in a power-off state, requiring users to manually turn them on, which is inconvenient and delays the sound mirroring service.

Innovation Solution

A method for a display device to wake up and establish a Bluetooth connection with an external device even when in a power-off state by using a communicator to respond to connection requests and perform background power-on operations, allowing for seamless sound mirroring without ignoring incoming connection requests.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If the display device remains in power-off state to save energy, then power consumption is reduced, but the device cannot respond to Bluetooth connection requests for sound mirroring

Engineering Contradiction:

Improvepower consumptionVSAvoidconvenience of sound mirroring connection

Core Design Contradiction:

Use of energy by moving objectVSEase of operation

Solution Approach 1:

The patent segments the power management into two independent states: a deep power-off state for the main controller and display components, and a lightweight standby state for the Bluetooth communicator. This segmentation allows the device to maintain Bluetooth connectivity capabilities while minimizing overall power consumption, resolving the contradiction between energy saving and connection responsiveness.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The Bluetooth communicator performs preliminary actions by maintaining a low-power listening mode even when the main device is powered off. This preliminary state enables the communicator to detect and respond to connection requests immediately, eliminating the need for users to manually power on the device before initiating sound mirroring, thus improving ease of operation without significantly increasing power consumption.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If the display device is manually powered on before connection to enable sound mirroring, then connection reliability is improved, but user convenience and operation speed are reduced

Engineering Contradiction:

Improveconnection reliabilityVSAvoidtime to establish sound mirroring

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The Bluetooth communicator performs preliminary actions by maintaining a low-power listening mode even when the main device is powered off. This preliminary state enables the communicator to detect and respond to connection requests immediately, eliminating the need for users to manually power on the device before initiating sound mirroring, thus improving ease of operation without significantly increasing power consumption.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system dynamically transitions between power states based on connection events. When a Bluetooth connection request is received, the system automatically wakes up the main controller from power-off state, establishes the connection, and then can return to power-saving mode after connection is confirmed. This dynamic power management ensures connection reliability while minimizing the time users need to wait and manual interventions required.

Inventive Principle:

Principle #15Dynamics

3Speed

If the Bluetooth communicator remains active in power-off state to respond to connection requests, then connection speed is improved, but power consumption increases

Engineering Contradiction:

Improveconnection speedVSAvoidpower consumption

Core Design Contradiction:

SpeedVSUse of energy by moving object

Solution Approach 1:

The patent segments the power management into two independent states: a deep power-off state for the main controller and display components, and a lightweight standby state for the Bluetooth communicator. This segmentation allows the device to maintain Bluetooth connectivity capabilities while minimizing overall power consumption, resolving the contradiction between energy saving and connection responsiveness.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The Bluetooth communicator operates in a low-power parameter state during standby, using minimal energy to maintain radio frequency listening capabilities. When a connection request is detected, the system temporarily increases power parameters to establish the connection, then returns to low-power state. This dynamic parameter adjustment enables fast connection speed while keeping average power consumption low.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS12107693B2Method of controlling display device, and display device using the method

Publication Date: 2024.10.01 SAMSUNG ELECTRONICS CO LTD

AI summary

Provided is a display device including a display, a speaker, a communicator comprising communication circuitry configured to perform wireless communication, a memory configured to store one or more instructions, and a controller including at least one processor configured to execute at least one of the one or more instructions. Based on a wireless connection request for audio transmission being received from an external device while the display device is in a power-off state, the communicator is further configured to transmit, to the external device, a response indicating acceptance of the wireless connection request, and to operate to wake up the controller to a state requiring wireless connection.