Corner protection device for a display screen and display screen assembly

A display screen assembly, comprising a display module, a frame, and a corner protection device, wherein the corner protection device comprises a corner protector, a base, and a locking member;

• the corner protector comprises a first corner protection plate and a second corner protection plate connected to the first corner protection plate, a first through hole is defined in the first corner protection plate, and a second through hole is defined in the second corner protection plate;
• a locking slot is formed in the corner protector, a first protrusion, a second protrusion, and a locking block are arranged on the locking member;
• the corner protector and the locking member are both slidably mounted on the base, and the locking member is configured to lock the corner protector on the base;
• when the locking member slides on the base to be in a locked state, the locking block is inserted into the locking slot, the first protrusion is inserted into the first through hole, the second protrusion is inserted into the second through hole, and the first corner protection plate and the second corner protection plate protrude from a corner of the display screen;
• when the locking member slides on the base to be in an unlocked state, the first protrusion or the second protrusion drives the locking block to disengage from the locking slot, and the first corner protection plate and the second corner protection plate are received in the corner of the display screen;
• the display module is mounted on the frame, and the base is mounted at each corner of the frame;
• when the locking member is in the locked state, the first corner protection plate and the second corner protection plate protrude from two adjacent sides of the display module;
• when the locking member is in the unlocked state, the first corner protection plate and the second corner protection plate are received in the frame.