Liquid crystal handwriting board device capable of copying

• Main Author: ZHU XIAOSONG
• Format: Patent
• Language: Chinese; English
• Published: 14.11.2023
• Subjects: ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; FREQUENCY-CHANGING; GLOBES; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; PLANETARIA; SEALS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

The utility model discloses a liquid crystal handwriting board device capable of copying, which comprises a face shell which is connected with a rear shell with a clamping groove in a matching way, and is characterized in that a semitransparent handwriting liquid crystal screen and a transparent board are arranged between the face shell and the rear shell with the clamping groove, the handwriting liquid crystal screen is welded with a circuit board, and a hollow frame is arranged in the middle of the rear shell with the clamping groove. The liquid crystal display is single in structure and convenient to use, an original handwriting liquid crystal screen is replaced by semitransparent materials, and an original plane back plate on the back face of the shell is changed into the empty frame with the clamping groove. 本实用新型公开了一种可以临摹的液晶手写板装置，包括面壳，面壳与带卡槽后壳配合连接，其特征在于，所述的面壳与带卡槽后壳之间设有半透明的手写液晶屏和透明板，手写液晶屏与电路板焊接，带卡槽后壳中间为镂空的空框。本实用新型结构单件，使用方便，通过将原有的手写液晶屏替换为半透明材质，且在壳体背面将原来平面背板设计变更为带卡槽的空框。