公开(公告)号：US20220007533A1

公开(公告)日：2022-01-06

申请号：US17054562

申请日：2019-03-28

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Kuan-Ting Wu ,  Chi Hao Chang ,  Chalam Kashyap

IPC: H05K5/04 ,  C25D11/02 ,  C25D13/04 ,  C25D13/12 ,  C25D13/20 ,  B32B15/08 ,  B32B3/02

Abstract: The present disclosure is drawn to covers for electronic devices, methods of making the covers, and electronic devices. In one example, a cover for an electronic device comprising: a metal cover substrate; a micro-arc oxidation layer or a non-transparent passivation treatment layer on a surface of the metal cover substrate; an outmold decoration layer on the micro-arc oxidation layer or the non-transparent passivation treatment layer, a chamfered edge including a chamfer at an edge of the metal cover substrate, wherein the chamfer cuts through the micro-arc oxidation layer or the non-transparent passivation treatment layer and the outmold decoration layer to expose the metal cover substrate at the chamfered edge; a transparent passivation layer on the chamfered edge where the metal cover substrate is exposed; and a protective coating on the transparent passivation layer.

公开(公告)号：US20210363646A1

公开(公告)日：2021-11-25

申请号：US16982694

申请日：2018-07-24

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Chi Hao Chang ,  Ya-Ting Yeh ,  Kuan-Ting Wu ,  Chih-Hsiung Liao

IPC: C23C28/00 ,  C23C14/16 ,  C25D11/02 ,  C25D11/30 ,  G06F1/16

Abstract: The application discloses examples of a device housing of an electronic device comprising a magnesium-alloy substrate. The device housing further comprising a treatment layer applied over the magnesium-alloy substrate and a metallic coating layer applied over the treatment layer to provide a metallic luster. Further, a paint coating layer is disposed over a first portion of the metallic coating layer. Further, a top coating layer is applied over the paint coating layer and a visible second portion of the metallic coating layer.

公开(公告)号：US20210263365A1

公开(公告)日：2021-08-26

申请号：US17042155

申请日：2018-11-14

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Hsing-Hung Hsieh ,  Chi Hao Chang ,  Ann Alejandro Villegas

IPC: G02F1/1343 ,  G02F1/1335

Abstract: An example device includes a light source, a liquid crystal layer, and an array of pixel electrodes disposed between the light source and the liquid crystal layer. The array of pixel electrodes is to control orientation of liquid crystal of the liquid crystal layer to modulate light incident from the light source to produce an image composed of pixels. The example device further includes an array of scattering electrodes to selectively influence orientation of liquid crystal of the liquid crystal layer to degrade contrast of selected pixels of the image.

公开(公告)号：US20210217331A1

公开(公告)日：2021-07-15

申请号：US17042383

申请日：2018-09-27

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Kuan-Ting Wu ,  Chi Hao Chang ,  Xuan Shi

IPC: G09F9/37 ,  B81B5/00 ,  G02B26/08

Abstract: In an example, a switchable display may include a movable pixel unit having a rotatable motive element. The movable pixel unit may further include a first display unit having a first display characteristic and disposed on a first side of the rotatable motive element. The movable pixel unit may further include a second display unit having a second display characteristic and disposed on a second side of the rotatable motive unit, different from the first side.