Electrochromic module, head-mounted device, and manufacturing method

Abstract

This application provides an electrochromic module, including a first conductive layer, a second conductive layer, and an electrochromic layer. The first conductive layer includes a first p-type electrode block and a first n-type electrode block spliced ​​together; the second conductive layer includes a second p-type electrode block and a second n-type electrode block spliced ​​together; the electrochromic layer is located between the first conductive layer and the second conductive layer; the first p-type electrode block, the first n-type electrode block, the second p-type electrode block, and the second n-type electrode block are used to adjust the light transmittance of the electrochromic layer at least in sections based on a driving voltage. This application also provides a head-mounted device and a method for manufacturing an electrochromic module.

Claims

1. An electrochromic module, improved in that it comprises: The first conductive layer includes a first p-type electrode block and a first n-type electrode block that are spliced ​​together. The second conductive layer includes a second p-type electrode block and a second n-type electrode block that are spliced ​​together; and an electrochromic layer located between the first conductive layer and the second conductive layer; the first p-type electrode block, the first n-type electrode block, the second p-type electrode block and the second n-type electrode block are used to perform at least zoned transmittance modulation of the electrochromic layer based on the driving voltage.

2. The electrochromic module as described in claim 1, wherein, The first conductive layer includes a plurality of first p-type electrode blocks and a plurality of first n-type electrode blocks, with each first p-type electrode block and each first n-type electrode block alternately spliced ​​in any direction; and the second conductive layer includes a plurality of second p-type electrode blocks and a plurality of second n-type electrode blocks, with each second p-type electrode block and each second n-type electrode block alternately spliced ​​in any direction.

3. The electrochromic module as described in claim 1, wherein, The first conductive layer includes a plurality of first p-type electrode blocks and a plurality of first n-type electrode blocks. Perpendicular to the thickness direction of the first conductive layer, the plurality of first p-type electrode blocks and the plurality of first n-type electrode blocks are arranged alternately in an array, and each first p-type electrode block is adjacent to two or more first n-type electrode blocks; and the second conductive layer includes a plurality of second p-type electrode blocks and a plurality of second n-type electrode blocks. Perpendicular to the thickness direction of the second conductive layer, the plurality of second p-type electrode blocks and the plurality of second n-type electrode blocks are arranged alternately in an array, and each second p-type electrode block is adjacent to two or more second n-type electrode blocks.

4. The electrochromic module as described in claim 1, wherein, One of the first p-type electrode block and the first n-type electrode block is spliced ​​around the other electrode block; and one of the second p-type electrode block and the second n-type electrode block is spliced ​​around the other electrode block.

5. The electrochromic module as described in claim 1, wherein, The orthographic projections of the first p-type electrode block and the second p-type electrode block on the electrochromic layer completely coincide, and the orthographic projections of the first n-type electrode block and the second n-type electrode block on the electrochromic layer completely coincide; or the orthographic projections of the first p-type electrode block and the second n-type electrode block on the electrochromic layer completely coincide, and the orthographic projections of the first n-type electrode block and the second p-type electrode block on the electrochromic layer completely coincide.

6. The electrochromic module as described in claim 1, wherein, The orthographic projections of the first p-type electrode block and the second p-type electrode block or the second n-type electrode block on the electrochromic layer at least partially overlap; and / or the orthographic projections of the first n-type electrode block and the second n-type electrode block or the second p-type electrode block on the electrochromic layer at least partially overlap.

7. The electrochromic module as described in claim 1, wherein, The electrochromic module further includes a first substrate layer and a second substrate layer. The first substrate layer is located on the side of the first conductive layer away from the electrochromic layer, and the second conductive layer is located on the side of the second conductive layer away from the electrochromic layer.

8. The electrochromic module as described in claim 1, wherein, Both the first p-type electrode block and the second p-type electrode block include lithium nickelate, and both the first n-type electrode block and the second n-type electrode block include lithium strontium scandium oxide.

9. A head-mounted device, improved in that it comprises: The frame has mounting positions. And an electrochromic module as described in any one of claims 1 to 8, fixed within the mounting position.

10. The head-mounted device as claimed in claim 9, wherein, The head-mounted device further includes a thin-film transistor array located on the side of one of the first conductive layer and the second conductive layer away from the electrochromic layer. A plurality of electrode blocks of the other conductive layer of the first conductive layer and the second conductive layer are used to receive a fixed voltage. The drain of each transistor in the thin-film transistor array is electrically connected to each electrode block to independently control the voltage received by each electrode block, thereby performing at least zoned transmittance regulation of the electrochromic layer.

11. A method for manufacturing an electrochromic module, improved in that it includes the following steps: Step 1: providing a first substrate layer, dividing a surface of the first substrate layer into a first region and a second region that are spliced ​​together; Step 2: attaching a masking material to the first region to form a masking layer, coating a p-type semiconductor material on the second region to form a first p-type electrode block, and then removing the masking layer; Step 3: attaching the masking material to the surface of the first p-type electrode block away from the first substrate layer to form the masking layer, coating an n-type semiconductor material on the first region to form a first n-type electrode block, and then removing the masking layer; the first p-type electrode block and the first n-type electrode block are spliced ​​together to form a first conductive layer; Step 4: coating an electrochromic material on the side of the first conductive layer away from the first substrate layer to form an electrochromic layer; Step 5: Repeat steps 1 to 3 to create a second substrate layer and a second conductive layer that are stacked together. The second conductive layer includes a second p-type electrode block and a second n-type electrode block that are spliced ​​together. Step 6: After bonding the electrochromic layer to the second conductive layer, the electrochromic module is formed.

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