LB Semicon

LB Semicon is a niche in the OSAT segment of the semiconductor & AI supply chain, headquartered in South Korea. Its key customers include NVIDIA, AMD, Qualcomm.

Korean OSAT focused on display driver packaging.

Ticker
KOSDAQ: 061970
Headquarters
South Korea
Market position
niche
Value-chain segment
Outsourced Assembly & Test
Key products
wafer bumping and backend test, display driver IC (DDI) packaging

About LB Semicon

LB Semicon, headquartered in South Korea, operates in the Outsourced Assembly & Test segment of the semiconductor & AI supply chain and is positioned as a market niche there. Its key products include wafer bumping and backend test, display driver IC (DDI) packaging. wafergraph maps 6 tracked customers for LB Semicon across the value chain. It has a supply-chain criticality score of 50/100, with 236 companies downstream of it.

Role in the chain

LB Semicon is a market niche in OSAT (Outsourced Assembly & Test), headquartered in South Korea. Korean OSAT focused on display driver packaging.

Diligence questions

  1. The dataset names 6 tracked customers for LB Semicon. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  2. LB Semicon is headquartered in South Korea. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  3. LB Semicon trades as KOSDAQ:061970. What does the latest reported period say about capacity and backlog versus the graph position above?
  4. Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for LB Semicon

Key products

  • wafer bumping and backend test
  • display driver IC (DDI) packaging

Customers

More OSAT companies

Compare with

ASE Technology · JCET Group · Tongfu Microelectronics · Amkor Technology · King Yuan Electronics (KYEC) · Huatian Technology

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “LB Semicon — supply chain, financials & market position”, https://wafergraph.com/company/lb_semicon (data as of 2026-09-05).

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